Organization record
QUALSTAR CORP
All evidence-backed facts for this organization, identity resolved across official registers.
Facts on record
Newest first; every row links to its evidence page.
| Fact | Value | Period | Source |
|---|---|---|---|
| accounts_payable | {"amount": 1029000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_payable | {"amount": 1325000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_payable | {"amount": 1365000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_payable | {"amount": 943000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 1023000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_payable | {"amount": 1082000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_payable | {"amount": 1056000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_payable | {"amount": 803000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 1065000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_payable | {"amount": 902000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_payable | {"amount": 833000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_payable | {"amount": 953000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 888000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_payable | {"amount": 705000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-09-30 | sec_edgar |
| accounts_payable | {"amount": 646000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-06-30 | sec_edgar |
| accounts_payable | {"amount": 656000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 756000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_payable | {"amount": 757000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_payable | {"amount": 913000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_payable | {"amount": 977000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 1262000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_payable | {"amount": 1213000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_payable | {"amount": 952000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_payable | {"amount": 904000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 1640000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_payable | {"amount": 2238000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_payable | {"amount": 2089000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_payable | {"amount": 1792000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 1242000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_payable | {"amount": 1158000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 2039000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 1518000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 1241000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 1744000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 1293000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2366000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2177000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2238000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1745000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_receivable | {"amount": 1809000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2046000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1948000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1979000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_receivable | {"amount": 1802000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1453000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1370000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1583000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1630000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1398000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2321000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1802000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2625000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1800000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-09-30 | sec_edgar |
| accounts_receivable | {"amount": 1412000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-06-30 | sec_edgar |
| accounts_receivable | {"amount": 1728000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2643000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2197000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3140000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 3425000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 3056000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| accounts_receivable | {"amount": 2616000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 2995000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 2695000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 2834000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 4021000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 3005000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3863000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4271000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4376000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4665000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4781000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4831000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5547000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5231000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4698000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4663000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4457000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3740000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3691000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3651000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3504000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3746000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3863000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4696000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4696000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5453000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5242000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6266000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 5462000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4823000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1922000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1645000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1966000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 825000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6482000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8241000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7381000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3777000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4786000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3731000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 4970000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2610000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1372000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1949000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2234000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 3749000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3963000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4371000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4476000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4765000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4881000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4931000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5647000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 5331000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2018-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4798000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2017-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4763000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2017-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 4557000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2017-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3840000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2017-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3791000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2016-12-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3651000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2016-09-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3504000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2016-06-30 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3746000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2016-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 3963000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2015-12-31 | sec_edgar |
| cashflow_financing | {"amount": -717000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-12-31 | sec_edgar |
| cashflow_financing | {"amount": -636000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-09-30 | sec_edgar |
| cashflow_financing | {"amount": -519000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-06-30 | sec_edgar |
| cashflow_financing | {"amount": -329000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-03-31 | sec_edgar |
| cashflow_financing | {"amount": -54000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2018-12-31 | sec_edgar |
| cashflow_financing | {"amount": 39000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2018-09-30 | sec_edgar |
| cashflow_financing | {"amount": 39000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2018-06-30 | sec_edgar |
| cashflow_financing | {"amount": 34000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curren | 2018-03-31 | sec_edgar |
| cashflow_financing | {"amount": 4000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currenc | 2017-12-31 | sec_edgar |
| cashflow_financing | {"amount": -1470000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -85000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2019-12-31 | sec_edgar |
| cashflow_investing | {"amount": -85000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2019-09-30 | sec_edgar |
| cashflow_investing | {"amount": -44000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2019-06-30 | sec_edgar |
| cashflow_investing | {"amount": -26000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2018-12-31 | sec_edgar |
| cashflow_investing | {"amount": -18000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2018-09-30 | sec_edgar |
| cashflow_investing | {"amount": -10000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2018-06-30 | sec_edgar |
| cashflow_investing | {"amount": 34000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2018-03-31 | sec_edgar |
| cashflow_investing | {"amount": -44000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2017-12-31 | sec_edgar |
| cashflow_investing | {"amount": -10000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2017-09-30 | sec_edgar |
| cashflow_investing | {"amount": -2000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2017-06-30 | sec_edgar |
| cashflow_investing | {"amount": -2000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2017-03-31 | sec_edgar |
| cashflow_investing | {"amount": -45000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2016-12-31 | sec_edgar |
| cashflow_investing | {"amount": -27000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2016-09-30 | sec_edgar |
| cashflow_investing | {"amount": -27000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2016-03-31 | sec_edgar |
| cashflow_investing | {"amount": -8000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2015-12-31 | sec_edgar |
| cashflow_investing | {"amount": -8000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curren | 2015-09-30 | sec_edgar |
| cashflow_investing | {"amount": 1598000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2015-06-30 | sec_edgar |
| cashflow_investing | {"amount": -113000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2015-03-31 | sec_edgar |
| cashflow_investing | {"amount": 1566000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2015-03-31 | sec_edgar |
| cashflow_investing | {"amount": 1679000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-12-31 | sec_edgar |
| cashflow_investing | {"amount": 1263000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-09-30 | sec_edgar |
| cashflow_investing | {"amount": 9791000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-06-30 | sec_edgar |
| cashflow_investing | {"amount": 8781000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": 3274000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": 1602000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": 1070000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": -2814000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": 1949000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": 2075000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": 3951000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -174000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": 1031000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -338000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": 4191000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": 1361000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 556000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -293000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": 1703000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": -116000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2019-12-31 | sec_edgar |
| cashflow_operating | {"amount": 211000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2019-09-30 | sec_edgar |
| cashflow_operating | {"amount": 158000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2019-06-30 | sec_edgar |
| cashflow_operating | {"amount": 213000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2019-03-31 | sec_edgar |
| cashflow_operating | {"amount": 163000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2018-12-31 | sec_edgar |
| cashflow_operating | {"amount": 112000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2018-09-30 | sec_edgar |
| cashflow_operating | {"amount": 820000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2018-06-30 | sec_edgar |
| cashflow_operating | {"amount": 499000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2018-03-31 | sec_edgar |
| cashflow_operating | {"amount": 1047000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2017-12-31 | sec_edgar |
| cashflow_operating | {"amount": 982000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2017-09-30 | sec_edgar |
| cashflow_operating | {"amount": 768000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2017-06-30 | sec_edgar |
| cashflow_operating | {"amount": 51000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2017-03-31 | sec_edgar |
| cashflow_operating | {"amount": -127000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2016-12-31 | sec_edgar |
| cashflow_operating | {"amount": -285000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2016-09-30 | sec_edgar |
| cashflow_operating | {"amount": -432000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2016-06-30 | sec_edgar |
| cashflow_operating | {"amount": -190000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2016-03-31 | sec_edgar |
| cashflow_operating | {"amount": -725000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1190000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-12-31 | sec_edgar |
| cashflow_operating | {"amount": -457000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": 8000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "currenc | 2015-09-30 | sec_edgar |
| cashflow_operating | {"amount": -465000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": -2364000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2015-06-30 | sec_edgar |
| cashflow_operating | {"amount": 324000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": -1575000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": -1899000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-12-31 | sec_edgar |
| cashflow_operating | {"amount": -459000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2014-09-30 | sec_edgar |
| cashflow_operating | {"amount": -6295000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-06-30 | sec_edgar |
| cashflow_operating | {"amount": -5924000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": -3318000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-12-31 | sec_edgar |