Organization record
BONSO ELECTRONICS INTERNATIONAL INC.
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": 531000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| accounts_payable | {"amount": 572000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| accounts_payable | {"amount": 775000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| accounts_payable | {"amount": 443000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| accounts_payable | {"amount": 924000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| accounts_payable | {"amount": 1183000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| accounts_payable | {"amount": 2501000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| accounts_payable | {"amount": 4791000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| accounts_payable | {"amount": 10413000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| accounts_payable | {"amount": 7793000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_payable | {"amount": 5032000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 2729000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| capex | {"amount": 1205000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2022-03-31 | sec_edgar |
| capex | {"amount": 700000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2021-03-31 | sec_edgar |
| capex | {"amount": 260000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2020-03-31 | sec_edgar |
| capex | {"amount": 578000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2019-03-31 | sec_edgar |
| capex | {"amount": 364000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2018-03-31 | sec_edgar |
| capex | {"amount": 289000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2017-03-31 | sec_edgar |
| capex | {"amount": 823000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2016-03-31 | sec_edgar |
| capex | {"amount": 1105000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2015-03-31 | sec_edgar |
| capex | {"amount": 2778000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2014-03-31 | sec_edgar |
| capex | {"amount": 1412000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-12-31 | sec_edgar |
| capex | {"amount": 1412000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2013-03-31 | sec_edgar |
| capex | {"amount": 3415000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-12-31 | sec_edgar |
| capex | {"amount": 3415000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2012-03-31 | sec_edgar |
| capex | {"amount": 1397000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-12-31 | sec_edgar |
| capex | {"amount": 1397000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curr | 2011-03-31 | sec_edgar |
| capex | {"amount": 491000, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curre | 2010-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6740000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2022-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 10060000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2021-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 9111000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2020-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7527000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8751000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2018-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3745000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3547000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3027000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 116000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2014-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2154000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1140000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3014000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"unit": "CNY", "value": 3014000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValu | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5412000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5407000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8114000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 6740000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2022-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 10060000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCas | 2021-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 9111000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2020-03-31 | sec_edgar |
| cash_and_restricted_cash | {"amount": 7527000, "concept": "us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCash | 2019-03-31 | sec_edgar |
| cashflow_financing | {"amount": -659000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2022-03-31 | sec_edgar |
| cashflow_financing | {"amount": -1140000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2021-03-31 | sec_edgar |
| cashflow_financing | {"amount": 1667000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2020-03-31 | sec_edgar |
| cashflow_financing | {"amount": -113000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-03-31 | sec_edgar |
| cashflow_financing | {"amount": 1536000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2018-03-31 | sec_edgar |
| cashflow_financing | {"amount": -2014000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2017-03-31 | sec_edgar |
| cashflow_financing | {"amount": -3727000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2016-03-31 | sec_edgar |
| cashflow_financing | {"amount": 176000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2015-03-31 | sec_edgar |
| cashflow_financing | {"amount": 1636000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-03-31 | sec_edgar |
| cashflow_financing | {"amount": 1537000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": 1943000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": 537000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": -120000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": -120000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": -4382000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1141000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2022-03-31 | sec_edgar |
| cashflow_investing | {"amount": -164000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2021-03-31 | sec_edgar |
| cashflow_investing | {"amount": -630000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2020-03-31 | sec_edgar |
| cashflow_investing | {"amount": -575000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2019-03-31 | sec_edgar |
| cashflow_investing | {"amount": -216000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2018-03-31 | sec_edgar |
| cashflow_investing | {"amount": -410000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2017-03-31 | sec_edgar |
| cashflow_investing | {"amount": 581000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2016-03-31 | sec_edgar |
| cashflow_investing | {"amount": -132000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2015-03-31 | sec_edgar |
| cashflow_investing | {"amount": -2773000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-03-31 | sec_edgar |
| cashflow_investing | {"amount": -2212000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": -3226000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -3390000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -3512000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -1314000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -1314000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": 572000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2010-03-31 | sec_edgar |
| cashflow_operating | {"amount": -1982000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2022-03-31 | sec_edgar |
| cashflow_operating | {"amount": 1984000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2021-03-31 | sec_edgar |
| cashflow_operating | {"amount": 1158000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2020-03-31 | sec_edgar |
| cashflow_operating | {"amount": 15000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2019-03-31 | sec_edgar |
| cashflow_operating | {"amount": 2786000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2018-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3145000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2017-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3855000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2016-03-31 | sec_edgar |
| cashflow_operating | {"amount": 2647000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2015-03-31 | sec_edgar |
| cashflow_operating | {"amount": 245000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2014-03-31 | sec_edgar |
| cashflow_operating | {"amount": -187000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": -593000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 474000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 70000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": -1190000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1190000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 3486000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5828205, "concept": "us-gaap:CommonStockSharesIssued"} | 2022-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5828205, "concept": "us-gaap:CommonStockSharesIssued"} | 2021-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5543639, "concept": "us-gaap:CommonStockSharesIssued"} | 2020-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5543639, "concept": "us-gaap:CommonStockSharesIssued"} | 2019-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5543639, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2014-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2013-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 5577639, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4857187, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2022-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4857187, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2021-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4670773, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2020-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4670773, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2019-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 4795622, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2018-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5009120, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2017-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5173431, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2016-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5246903, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2015-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5246903, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2014-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5246903, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5246903, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-03-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 5246903, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2011-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 7679000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2022-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 5940000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2021-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 5690000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2020-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 6035000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2019-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 6958000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2018-03-31 | sec_edgar |
| cost_of_revenue | {"amount": 11274000, "concept": "us-gaap:CostOfRevenue", "currency": "USD"} | 2017-03-31 | sec_edgar |
| current_assets | {"amount": 11522000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| current_assets | {"amount": 13411000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| current_assets | {"amount": 11851000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| current_assets | {"amount": 10404000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| current_assets | {"amount": 11385000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| current_assets | {"amount": 7743000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| current_assets | {"amount": 7607000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| current_assets | {"amount": 9038000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| current_assets | {"amount": 14877000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| current_assets | {"amount": 13782000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 12207000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 14223000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| current_liabilities | {"amount": 4648000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2022-03-31 | sec_edgar |
| current_liabilities | {"amount": 5424000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2021-03-31 | sec_edgar |
| current_liabilities | {"amount": 6139000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2020-03-31 | sec_edgar |
| current_liabilities | {"amount": 4155000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2019-03-31 | sec_edgar |
| current_liabilities | {"amount": 4369000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2018-03-31 | sec_edgar |
| current_liabilities | {"amount": 5244000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2017-03-31 | sec_edgar |
| current_liabilities | {"amount": 8137000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2016-03-31 | sec_edgar |
| current_liabilities | {"amount": 13429000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2015-03-31 | sec_edgar |
| current_liabilities | {"amount": 18646000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2014-03-31 | sec_edgar |
| current_liabilities | {"amount": 13942000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 9293000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 7371000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 5828205} | 2022-03-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 5828205} | 2021-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 285000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2022-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 269000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2021-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 264000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2020-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 275000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2019-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 277000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2018-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 271000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2017-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 288000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2016-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 294000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2015-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 289000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2014-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 226000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2013-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 226000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2013-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 176000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 176000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 208000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 208000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-03-31 | sec_edgar |
| depreciation_amortization | {"amount": 164000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.57, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2022-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.36, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2021-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.09, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2020-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.1, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2019-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0, "concept": "us-gaap:EarningsPerShareBasic", "currency": "US | 2018-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.54, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2017-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.55, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2016-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2015-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.57, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2022-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.34, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2021-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.08, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2020-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.1, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2019-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0, "concept": "us-gaap:EarningsPerShareDiluted", "currency": " | 2018-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.53, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2017-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.55, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2016-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2015-03-31 | sec_edgar |
| gross_profit | {"amount": 7122000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2022-03-31 | sec_edgar |
| gross_profit | {"amount": 9650000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2021-03-31 | sec_edgar |
| gross_profit | {"amount": 7406000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2020-03-31 | sec_edgar |
| gross_profit | {"amount": 3957000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2019-03-31 | sec_edgar |
| gross_profit | {"amount": 4565000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2018-03-31 | sec_edgar |
| gross_profit | {"amount": 7678000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2017-03-31 | sec_edgar |
| gross_profit | {"amount": 8289000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2016-03-31 | sec_edgar |
| gross_profit | {"amount": 5852000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2015-12-31 | sec_edgar |
| gross_profit | {"amount": 5852000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2015-03-31 | sec_edgar |
| gross_profit | {"amount": 2674000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2014-12-31 | sec_edgar |
| gross_profit | {"amount": 2674000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2014-03-31 | sec_edgar |
| gross_profit | {"amount": 5123000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2013-12-31 | sec_edgar |
| gross_profit | {"amount": 5123000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2013-03-31 | sec_edgar |
| gross_profit | {"amount": 3900000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2012-12-31 | sec_edgar |
| gross_profit | {"amount": 3900000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| gross_profit | {"amount": 3627000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| gross_profit | {"amount": 3627000, "concept": "us-gaap:GrossProfit", "currency": "USD"} | 2011-03-31 | sec_edgar |