Organization record
Petro River Oil 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_receivable | {"amount": 93893, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-10-31 | sec_edgar |
| accounts_receivable | {"amount": 102436, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-07-31 | sec_edgar |
| accounts_receivable | {"amount": 128987, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-04-30 | sec_edgar |
| accounts_receivable | {"amount": 118272, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2019-01-31 | sec_edgar |
| accounts_receivable | {"amount": 194500, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-10-31 | sec_edgar |
| accounts_receivable | {"amount": 211154, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-07-31 | sec_edgar |
| accounts_receivable | {"amount": 308099, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-04-30 | sec_edgar |
| accounts_receivable | {"amount": 106034, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2018-01-31 | sec_edgar |
| accounts_receivable | {"amount": 18385, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-10-31 | sec_edgar |
| accounts_receivable | {"amount": 8669, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-07-31 | sec_edgar |
| accounts_receivable | {"amount": 8423, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-04-30 | sec_edgar |
| accounts_receivable | {"amount": 9797, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2017-01-31 | sec_edgar |
| accounts_receivable | {"amount": 0, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-10-31 | sec_edgar |
| accounts_receivable | {"amount": 0, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-07-31 | sec_edgar |
| accounts_receivable | {"amount": 903, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-04-30 | sec_edgar |
| accounts_receivable | {"amount": 8044, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2016-01-31 | sec_edgar |
| accounts_receivable | {"amount": 1806, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-10-31 | sec_edgar |
| accounts_receivable | {"amount": 903, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-07-31 | sec_edgar |
| accounts_receivable | {"amount": 42688, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-04-30 | sec_edgar |
| accounts_receivable | {"amount": 134851, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2015-01-31 | sec_edgar |
| accounts_receivable | {"amount": 277784, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-10-31 | sec_edgar |
| accounts_receivable | {"amount": 818984, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-07-31 | sec_edgar |
| accounts_receivable | {"amount": 51979, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-04-30 | sec_edgar |
| accounts_receivable | {"amount": 43848, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2014-01-31 | sec_edgar |
| accounts_receivable | {"amount": 21057, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-10-31 | sec_edgar |
| accounts_receivable | {"amount": 45130, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-07-31 | sec_edgar |
| accounts_receivable | {"amount": 31394, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-04-30 | sec_edgar |
| accounts_receivable | {"amount": 231316, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-04-30 | sec_edgar |
| capex | {"amount": 39756, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2015-01-31 | sec_edgar |
| capex | {"amount": 39756, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2014-10-31 | sec_edgar |
| capex | {"amount": 3796, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2014-07-31 | sec_edgar |
| capex | {"amount": 12033, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-04-30 | sec_edgar |
| capex | {"amount": 12033, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2012-01-31 | sec_edgar |
| capex | {"amount": 12033, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "curren | 2011-10-31 | sec_edgar |
| capex | {"amount": 3709, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2011-07-31 | sec_edgar |
| capex | {"amount": 3054, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2011-04-30 | sec_edgar |
| capex | {"amount": 7401, "concept": "us-gaap:PaymentsToAcquirePropertyPlantAndEquipment", "currenc | 2010-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 754385, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2019-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1074012, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1214858, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 2139841, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2019-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 101206, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2018-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4642, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2018-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 47330, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2018-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 844487, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2018-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 462865, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2017-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1167124, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 631232, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2017-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1413443, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2017-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1986698, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2822561, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 774751, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2016-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1324288, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2016-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 526135, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2015-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 763270, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2015-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1010543, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1501387, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2015-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2749928, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3407129, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8352949, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 9204795, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2014-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4184036, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5038371, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5703082, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6165838, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2013-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6472094, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 6957878, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7053569, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4364033, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 261222, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2012-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 465122, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2011-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1633450, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 1179838, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 150005, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2010-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1480729, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2009-04-30 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2019-10-31 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2019-07-31 | sec_edgar |
| cashflow_financing | {"amount": 3400184, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-04-30 | sec_edgar |
| cashflow_financing | {"amount": 3340180, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2019-01-31 | sec_edgar |
| cashflow_financing | {"amount": 600000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2018-10-31 | sec_edgar |
| cashflow_financing | {"amount": 300000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2018-07-31 | sec_edgar |
| cashflow_financing | {"amount": 4250000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2018-04-30 | sec_edgar |
| cashflow_financing | {"amount": 4250000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2018-01-31 | sec_edgar |
| cashflow_financing | {"amount": 2250000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2017-10-31 | sec_edgar |
| cashflow_financing | {"amount": 2000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2017-07-31 | sec_edgar |
| cashflow_financing | {"amount": 176000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2017-04-30 | sec_edgar |
| cashflow_financing | {"amount": 176000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2017-01-31 | sec_edgar |
| cashflow_financing | {"amount": 176000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curre | 2016-10-31 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2016-07-31 | sec_edgar |
| cashflow_financing | {"amount": 1600000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2016-04-30 | sec_edgar |
| cashflow_financing | {"amount": 1500000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2016-01-31 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2015-10-31 | sec_edgar |
| cashflow_financing | {"amount": 4968500, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2015-04-30 | sec_edgar |
| cashflow_financing | {"amount": 4968500, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2015-01-31 | sec_edgar |
| cashflow_financing | {"amount": 4998074, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-10-31 | sec_edgar |
| cashflow_financing | {"amount": 5000000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-07-31 | sec_edgar |
| cashflow_financing | {"amount": 5850000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-04-30 | sec_edgar |
| cashflow_financing | {"amount": 5850000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2014-01-31 | sec_edgar |
| cashflow_financing | {"amount": 12799983, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2013-01-31 | sec_edgar |
| cashflow_financing | {"amount": 20000983, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": 12772483, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-10-31 | sec_edgar |
| cashflow_financing | {"amount": 11532483, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-07-31 | sec_edgar |
| cashflow_financing | {"amount": 1759900, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-04-30 | sec_edgar |
| cashflow_financing | {"amount": 2417900, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-01-31 | sec_edgar |
| cashflow_financing | {"amount": 2368826, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-10-31 | sec_edgar |
| cashflow_financing | {"amount": 2369900, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-07-31 | sec_edgar |
| cashflow_financing | {"amount": 6114248, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-04-30 | sec_edgar |
| cashflow_financing | {"amount": 2136950, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2010-04-30 | sec_edgar |
| cashflow_investing | {"amount": -392199, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2019-10-31 | sec_edgar |
| cashflow_investing | {"amount": -239951, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2019-07-31 | sec_edgar |
| cashflow_investing | {"amount": -1764144, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2019-04-30 | sec_edgar |
| cashflow_investing | {"amount": -786960, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2019-01-31 | sec_edgar |
| cashflow_investing | {"amount": -306723, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2018-10-31 | sec_edgar |
| cashflow_investing | {"amount": -372552, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2018-07-31 | sec_edgar |
| cashflow_investing | {"amount": -4487548, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2018-04-30 | sec_edgar |
| cashflow_investing | {"amount": -3067215, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2018-01-31 | sec_edgar |
| cashflow_investing | {"amount": -1812166, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2017-10-31 | sec_edgar |
| cashflow_investing | {"amount": -1398430, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2017-07-31 | sec_edgar |
| cashflow_investing | {"amount": 1900461, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2017-04-30 | sec_edgar |
| cashflow_investing | {"amount": 2055349, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2017-01-31 | sec_edgar |
| cashflow_investing | {"amount": 2202178, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2016-10-31 | sec_edgar |
| cashflow_investing | {"amount": 2735283, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2016-07-31 | sec_edgar |
| cashflow_investing | {"amount": -68641, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2016-04-30 | sec_edgar |
| cashflow_investing | {"amount": -232024, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2016-01-31 | sec_edgar |
| cashflow_investing | {"amount": 331520, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2015-10-31 | sec_edgar |
| cashflow_investing | {"amount": 271730, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2015-07-31 | sec_edgar |
| cashflow_investing | {"amount": -8865857, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2015-04-30 | sec_edgar |
| cashflow_investing | {"amount": -8850623, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2015-01-31 | sec_edgar |
| cashflow_investing | {"amount": -8509265, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-10-31 | sec_edgar |
| cashflow_investing | {"amount": -8309528, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2014-07-31 | sec_edgar |
| cashflow_investing | {"amount": -327002, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-04-30 | sec_edgar |
| cashflow_investing | {"amount": -285383, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2014-01-31 | sec_edgar |
| cashflow_investing | {"amount": -235954, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-10-31 | sec_edgar |
| cashflow_investing | {"amount": -295965, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-07-31 | sec_edgar |
| cashflow_investing | {"amount": -98764, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2013-04-30 | sec_edgar |
| cashflow_investing | {"amount": -10390913, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2013-01-31 | sec_edgar |
| cashflow_investing | {"amount": -13016965, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -9833668, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-10-31 | sec_edgar |
| cashflow_investing | {"amount": -8716252, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2012-07-31 | sec_edgar |
| cashflow_investing | {"amount": 953243, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-04-30 | sec_edgar |
| cashflow_investing | {"amount": -143876, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2012-01-31 | sec_edgar |
| cashflow_investing | {"amount": -269715, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-10-31 | sec_edgar |
| cashflow_investing | {"amount": -206676, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-07-31 | sec_edgar |
| cashflow_investing | {"amount": -1367825, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2011-04-30 | sec_edgar |
| cashflow_investing | {"amount": 1475848, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2010-04-30 | sec_edgar |
| cashflow_operating | {"amount": -68275, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2019-10-31 | sec_edgar |
| cashflow_operating | {"amount": 99105, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2019-07-31 | sec_edgar |
| cashflow_operating | {"amount": -468512, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2019-04-30 | sec_edgar |
| cashflow_operating | {"amount": -460709, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2019-01-31 | sec_edgar |
| cashflow_operating | {"amount": -239401, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2018-10-31 | sec_edgar |
| cashflow_operating | {"amount": 29864, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2018-07-31 | sec_edgar |
| cashflow_operating | {"amount": -346354, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2018-04-30 | sec_edgar |
| cashflow_operating | {"amount": -969530, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2018-01-31 | sec_edgar |
| cashflow_operating | {"amount": -606201, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2017-10-31 | sec_edgar |
| cashflow_operating | {"amount": -65678, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curre | 2017-07-31 | sec_edgar |
| cashflow_operating | {"amount": -2219980, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2017-04-30 | sec_edgar |
| cashflow_operating | {"amount": -1592657, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2017-01-31 | sec_edgar |
| cashflow_operating | {"amount": -1166231, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-10-31 | sec_edgar |
| cashflow_operating | {"amount": -687473, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2016-07-31 | sec_edgar |
| cashflow_operating | {"amount": -1767151, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2016-04-30 | sec_edgar |
| cashflow_operating | {"amount": -954231, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2016-01-31 | sec_edgar |
| cashflow_operating | {"amount": -815928, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2015-10-31 | sec_edgar |
| cashflow_operating | {"amount": -519003, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2015-07-31 | sec_edgar |
| cashflow_operating | {"amount": -3445049, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-04-30 | sec_edgar |
| cashflow_operating | {"amount": -2969439, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2015-01-31 | sec_edgar |
| cashflow_operating | {"amount": -2091830, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-10-31 | sec_edgar |
| cashflow_operating | {"amount": -1636292, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-07-31 | sec_edgar |
| cashflow_operating | {"amount": -2873131, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-04-30 | sec_edgar |
| cashflow_operating | {"amount": -2062904, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2014-01-31 | sec_edgar |
| cashflow_operating | {"amount": -1283092, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-10-31 | sec_edgar |
| cashflow_operating | {"amount": -368746, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-07-31 | sec_edgar |
| cashflow_operating | {"amount": -670248, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-04-30 | sec_edgar |
| cashflow_operating | {"amount": -607265, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2013-01-31 | sec_edgar |
| cashflow_operating | {"amount": -511924, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": -344970, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-10-31 | sec_edgar |
| cashflow_operating | {"amount": -126695, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-07-31 | sec_edgar |
| cashflow_operating | {"amount": -3643469, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-04-30 | sec_edgar |
| cashflow_operating | {"amount": -3193017, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-01-31 | sec_edgar |
| cashflow_operating | {"amount": -2815661, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-10-31 | sec_edgar |
| cashflow_operating | {"amount": -1708799, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-07-31 | sec_edgar |
| cashflow_operating | {"amount": -3716843, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-04-30 | sec_edgar |
| cashflow_operating | {"amount": -4941145, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 18188540, "concept": "us-gaap:CommonStockSharesIssued"} | 2019-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17938540, "concept": "us-gaap:CommonStockSharesIssued"} | 2019-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17938540, "concept": "us-gaap:CommonStockSharesIssued"} | 2019-01-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17938540, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17569733, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17309733, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 17309809, "concept": "us-gaap:CommonStockSharesIssued"} | 2018-01-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15843066, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15840143, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15827921, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15827998, "concept": "us-gaap:CommonStockSharesIssued"} | 2017-01-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15827921, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 15827997, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4263748, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4263671, "concept": "us-gaap:CommonStockSharesIssued"} | 2016-01-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4259505, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 851901079, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 4259506, "concept": "us-gaap:CommonStockSharesIssued"} | 2015-04-30 | sec_edgar |