Organization record
CREDO PETROLEUM 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": 2903000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-01-31 | sec_edgar |
| accounts_payable | {"amount": 3665000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-10-31 | sec_edgar |
| accounts_payable | {"amount": 1437000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| accounts_payable | {"amount": 1200000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 2260000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4662000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 1777000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2012-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3313000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3615000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 3094000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-04-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6813000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-01-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7179000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 8556000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2010-07-31 | sec_edgar |
| cash_and_equivalents | {"amount": 12348000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2009-10-31 | sec_edgar |
| cash_and_equivalents | {"amount": 22332000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency | 2008-10-31 | sec_edgar |
| cashflow_financing | {"amount": -145000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-07-31 | sec_edgar |
| cashflow_financing | {"amount": -1341000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-07-31 | sec_edgar |
| cashflow_investing | {"amount": -11473000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-07-31 | sec_edgar |
| cashflow_investing | {"amount": -5907000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2010-07-31 | sec_edgar |
| cashflow_operating | {"amount": 7774000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2012-07-31 | sec_edgar |
| cashflow_operating | {"amount": 8457000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2012-04-30 | sec_edgar |
| cashflow_operating | {"amount": 3671000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2012-01-31 | sec_edgar |
| cashflow_operating | {"amount": 10803000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinu | 2011-10-31 | sec_edgar |
| cashflow_operating | {"amount": 8054000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2011-07-31 | sec_edgar |
| cashflow_operating | {"amount": 3700000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2011-04-30 | sec_edgar |
| cashflow_operating | {"amount": 2318000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2011-01-31 | sec_edgar |
| cashflow_operating | {"amount": 4533000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2010-10-31 | sec_edgar |
| cashflow_operating | {"amount": 3456000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2010-07-31 | sec_edgar |
| cashflow_operating | {"amount": 9932000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinui | 2009-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-04-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-01-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-10-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-07-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 10660000, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-09-10 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-06-11 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-04-25 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-12 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-01-04 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 10041000, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-09-09 | sec_edgar |
| current_assets | {"amount": 12040000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| current_assets | {"amount": 11365000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-04-30 | sec_edgar |
| current_assets | {"amount": 8427000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-01-31 | sec_edgar |
| current_assets | {"amount": 9071000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-10-31 | sec_edgar |
| current_assets | {"amount": 9494000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| current_assets | {"amount": 12086000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-10-31 | sec_edgar |
| current_liabilities | {"amount": 23515000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| current_liabilities | {"amount": 18754000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-04-30 | sec_edgar |
| current_liabilities | {"amount": 12375000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-01-31 | sec_edgar |
| current_liabilities | {"amount": 8248000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-10-31 | sec_edgar |
| current_liabilities | {"amount": 4613000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-07-31 | sec_edgar |
| current_liabilities | {"amount": 2425000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2012-09-10 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2012-06-11 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2012-04-25 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2012-03-12 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2012-01-04 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 10041000} | 2011-09-09 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 81621000, "currency": "USD"} | 2011-04-30 | sec_edgar |
| depreciation_amortization | {"amount": 2343000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 6181000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 1942000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-04-30 | sec_edgar |
| depreciation_amortization | {"amount": 3838000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-04-30 | sec_edgar |
| depreciation_amortization | {"amount": 1896000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2012-01-31 | sec_edgar |
| depreciation_amortization | {"amount": 5191000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-10-31 | sec_edgar |
| depreciation_amortization | {"amount": 3401000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 1260000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 2141000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-04-30 | sec_edgar |
| depreciation_amortization | {"amount": 1147000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-04-30 | sec_edgar |
| depreciation_amortization | {"amount": 994000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2011-01-31 | sec_edgar |
| depreciation_amortization | {"amount": 3602000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-10-31 | sec_edgar |
| depreciation_amortization | {"amount": 2648000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 925000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2010-07-31 | sec_edgar |
| depreciation_amortization | {"amount": 4439000, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": | 2009-10-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.09, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2012-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.11, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-04-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-04-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.1, "concept": "us-gaap:EarningsPerShareBasic", "currency": " | 2012-01-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.34, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-10-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.17, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.04, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-04-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-04-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-01-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.22, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-10-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.18, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.06, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-07-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -1.4, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-10-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.09, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.3, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2012-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.11, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-04-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-04-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.1, "concept": "us-gaap:EarningsPerShareDiluted", "currency": | 2012-01-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.34, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-10-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.17, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.21, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.04, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-04-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-04-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.02, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-01-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.22, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-10-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.06, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.18, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2010-07-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -1.4, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2009-10-31 | sec_edgar |
| income_tax_expense | {"amount": 664000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-07-31 | sec_edgar |
| income_tax_expense | {"amount": 1625000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-07-31 | sec_edgar |
| income_tax_expense | {"amount": 508000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-04-30 | sec_edgar |
| income_tax_expense | {"amount": 961000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-04-30 | sec_edgar |
| income_tax_expense | {"amount": 453000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-01-31 | sec_edgar |
| income_tax_expense | {"amount": 1289000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-10-31 | sec_edgar |
| income_tax_expense | {"amount": 749000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-07-31 | sec_edgar |
| income_tax_expense | {"amount": 622000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-07-31 | sec_edgar |
| income_tax_expense | {"amount": 127000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-04-30 | sec_edgar |
| income_tax_expense | {"amount": 71000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-04-30 | sec_edgar |
| income_tax_expense | {"amount": 56000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-01-31 | sec_edgar |
| income_tax_expense | {"amount": 612000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-10-31 | sec_edgar |
| income_tax_expense | {"amount": 568000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-07-31 | sec_edgar |
| income_tax_expense | {"amount": 153000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-07-31 | sec_edgar |
| income_tax_expense | {"amount": -9061000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-10-31 | sec_edgar |
| industry_sic | {"code": "1311", "scheme": "SIC", "description": "Crude Petroleum & Natural Gas"} | sec_edgar | |
| intangible_assets | {"amount": 2815000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2012-07-31 | sec_edgar |
| intangible_assets | {"amount": 2924000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2012-04-30 | sec_edgar |
| intangible_assets | {"amount": 3033000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2012-01-31 | sec_edgar |
| intangible_assets | {"amount": 3142000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2011-10-31 | sec_edgar |
| intangible_assets | {"amount": 3251000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2011-07-31 | sec_edgar |
| intangible_assets | {"amount": 3578000, "concept": "us-gaap:FiniteLivedIntangibleAssetsNet", "currency": "USD" | 2010-10-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 6000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2012-07-31 | sec_edgar |
| long_term_debt_noncurrent | {"amount": 2000000, "concept": "us-gaap:LongTermDebtNoncurrent", "currency": "USD"} | 2012-04-30 | sec_edgar |
| operating_expenses | {"amount": 5486000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2012-07-31 | sec_edgar |
| operating_expenses | {"amount": 13236000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2012-07-31 | sec_edgar |
| operating_expenses | {"amount": 7750000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2012-04-30 | sec_edgar |
| operating_expenses | {"amount": 3867000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2012-04-30 | sec_edgar |
| operating_expenses | {"amount": 3883000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2012-01-31 | sec_edgar |
| operating_expenses | {"amount": 11900000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-10-31 | sec_edgar |
| operating_expenses | {"amount": 3139000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-07-31 | sec_edgar |
| operating_expenses | {"amount": 8310000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-07-31 | sec_edgar |
| operating_expenses | {"amount": 2825000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-04-30 | sec_edgar |
| operating_expenses | {"amount": 5171000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-04-30 | sec_edgar |
| operating_expenses | {"amount": 2346000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2011-01-31 | sec_edgar |
| operating_expenses | {"amount": 8901000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-10-31 | sec_edgar |
| operating_expenses | {"amount": 2257000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-07-31 | sec_edgar |
| operating_expenses | {"amount": 6757000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2010-07-31 | sec_edgar |
| operating_expenses | {"amount": 35602000, "concept": "us-gaap:CostsAndExpenses", "currency": "USD"} | 2009-10-31 | sec_edgar |
| operating_income | {"amount": 876000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-07-31 | sec_edgar |
| operating_income | {"amount": 4807000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-07-31 | sec_edgar |
| operating_income | {"amount": 1993000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-04-30 | sec_edgar |
| operating_income | {"amount": 3931000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-04-30 | sec_edgar |
| operating_income | {"amount": 1938000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-01-31 | sec_edgar |
| operating_income | {"amount": 4867000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-10-31 | sec_edgar |
| operating_income | {"amount": 3496000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-07-31 | sec_edgar |
| operating_income | {"amount": 1349000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-07-31 | sec_edgar |
| operating_income | {"amount": 2147000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-04-30 | sec_edgar |
| operating_income | {"amount": 1243000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-04-30 | sec_edgar |
| operating_income | {"amount": 904000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-01-31 | sec_edgar |
| operating_income | {"amount": 2665000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-10-31 | sec_edgar |
| operating_income | {"amount": 2247000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-07-31 | sec_edgar |
| operating_income | {"amount": 660000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2010-07-31 | sec_edgar |
| operating_income | {"amount": -25535000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2009-10-31 | sec_edgar |
| pretax_income | {"amount": 1592000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2012-07-31 | sec_edgar |
| pretax_income | {"amount": 4643000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2012-07-31 | sec_edgar |
| pretax_income | {"amount": 1636000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2012-04-30 | sec_edgar |
| pretax_income | {"amount": 3051000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2012-04-30 | sec_edgar |
| pretax_income | {"amount": 1415000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2012-01-31 | sec_edgar |
| pretax_income | {"amount": 4742000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-10-31 | sec_edgar |
| pretax_income | {"amount": 2329000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-07-31 | sec_edgar |
| pretax_income | {"amount": 2880000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2011-07-31 | sec_edgar |
| pretax_income | {"amount": 551000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-04-30 | sec_edgar |
| pretax_income | {"amount": 326000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-04-30 | sec_edgar |
| pretax_income | {"amount": 225000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2011-01-31 | sec_edgar |
| pretax_income | {"amount": 2815000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-10-31 | sec_edgar |
| pretax_income | {"amount": 2365000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxe | 2010-07-31 | sec_edgar |
| pretax_income | {"amount": 708000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxes | 2010-07-31 | sec_edgar |
| pretax_income | {"amount": -23515000, "concept": "us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTa | 2009-10-31 | sec_edgar |
| profit_loss | {"amount": 2131000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2011-07-31 | sec_edgar |
| profit_loss | {"amount": 1707000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2011-07-31 | sec_edgar |
| profit_loss | {"amount": 1797000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2010-07-31 | sec_edgar |
| profit_loss | {"amount": 555000, "concept": "us-gaap:ProfitLoss", "currency": "USD"} | 2010-07-31 | sec_edgar |
| retained_earnings | {"amount": 24995000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-07-31 | sec_edgar |
| retained_earnings | {"amount": 24067000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-04-30 | sec_edgar |
| retained_earnings | {"amount": 22939000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2012-01-31 | sec_edgar |
| retained_earnings | {"amount": 21977000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-10-31 | sec_edgar |
| retained_earnings | {"amount": 20655000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2011-07-31 | sec_edgar |
| retained_earnings | {"amount": 18524000, "concept": "us-gaap:RetainedEarningsAccumulatedDeficit", "currency": | 2010-10-31 | sec_edgar |
| sga_expense | {"amount": 1849000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2012-07-31 | sec_edgar |
| sga_expense | {"amount": 3534000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2012-07-31 | sec_edgar |
| sga_expense | {"amount": 920000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-04-30 | sec_edgar |
| sga_expense | {"amount": 1685000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2012-04-30 | sec_edgar |
| sga_expense | {"amount": 765000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-01-31 | sec_edgar |
| sga_expense | {"amount": 2675000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2011-10-31 | sec_edgar |
| sga_expense | {"amount": 2016000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2011-07-31 | sec_edgar |
| sga_expense | {"amount": 820000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2011-07-31 | sec_edgar |
| sga_expense | {"amount": 1196000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2011-04-30 | sec_edgar |
| sga_expense | {"amount": 711000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2011-04-30 | sec_edgar |
| sga_expense | {"amount": 485000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2011-01-31 | sec_edgar |
| sga_expense | {"amount": 2107000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2010-10-31 | sec_edgar |
| sga_expense | {"amount": 1629000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2010-07-31 | sec_edgar |
| sga_expense | {"amount": 510000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2010-07-31 | sec_edgar |
| sga_expense | {"amount": 3250000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2009-10-31 | sec_edgar |
| share_based_compensation | {"amount": 15000, "concept": "us-gaap:ShareBasedCompensation", "currency": "USD"} | 2012-07-31 | sec_edgar |