Organization record
UNION DRILLING 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": 14596000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_payable | {"amount": 20596000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_payable | {"amount": 19229000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_payable | {"amount": 21513000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_payable | {"amount": 18002000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_payable | {"amount": 16021000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_payable | {"amount": 13076000, "concept": "us-gaap:AccountsPayableCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| accounts_receivable | {"amount": 38883000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| accounts_receivable | {"amount": 47630000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| accounts_receivable | {"amount": 41350000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| accounts_receivable | {"amount": 45387000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| accounts_receivable | {"amount": 36022000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| accounts_receivable | {"amount": 33400000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| accounts_receivable | {"amount": 30880000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2011-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7667000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency" | 2011-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 7000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2011-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 4000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2010-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 5000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2010-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2010-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 6000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": " | 2009-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 406000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2008-12-31 | sec_edgar |
| cashflow_financing | {"amount": 22918000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 29134000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": 8818000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": 37214000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_financing | {"amount": 39483000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_financing | {"amount": 29809000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_financing | {"amount": 9593000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_financing | {"amount": 20740000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": 27291000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_financing | {"amount": 18501000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_financing | {"amount": -14978000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_investing | {"amount": -65028000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -49946000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -19272000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -71163000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": -65420000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-09-30 | sec_edgar |
| cashflow_investing | {"amount": -35816000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-06-30 | sec_edgar |
| cashflow_investing | {"amount": -11588000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2011-03-31 | sec_edgar |
| cashflow_investing | {"amount": -55620000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-12-31 | sec_edgar |
| cashflow_investing | {"amount": -49685000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-09-30 | sec_edgar |
| cashflow_investing | {"amount": -30239000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2010-06-30 | sec_edgar |
| cashflow_investing | {"amount": -43918000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cu | 2009-12-31 | sec_edgar |
| cashflow_operating | {"amount": 42110000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 20812000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 10454000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": 33952000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": 25940000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-09-30 | sec_edgar |
| cashflow_operating | {"amount": 13670000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-06-30 | sec_edgar |
| cashflow_operating | {"amount": 1998000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2011-03-31 | sec_edgar |
| cashflow_operating | {"amount": 34878000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-12-31 | sec_edgar |
| cashflow_operating | {"amount": 22393000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-09-30 | sec_edgar |
| cashflow_operating | {"amount": 11738000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2010-06-30 | sec_edgar |
| cashflow_operating | {"amount": 58496000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2009-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25228816, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25228816, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25228816, "concept": "us-gaap:CommonStockSharesIssued"} | 2012-03-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25228816, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-12-31 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25191345, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-09-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25191345, "concept": "us-gaap:CommonStockSharesIssued"} | 2011-06-30 | sec_edgar |
| common_shares_issued | {"unit": "shares", "value": 25182345, "concept": "us-gaap:CommonStockSharesIssued"} | 2010-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21398534, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-11-02 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21398534, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-09-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21398534, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-08-02 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21398534, "concept": "us-gaap:CommonStockSharesOutstanding"} | 2012-06-30 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 21914946, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-05-01 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 23148116, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2012-03-08 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 23110645, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-10-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 23191345, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2011-08-03 | sec_edgar |
| current_assets | {"amount": 42652000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_assets | {"amount": 52014000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_assets | {"amount": 45670000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_assets | {"amount": 50860000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_assets | {"amount": 39898000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_assets | {"amount": 45254000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_assets | {"amount": 36457000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| current_liabilities | {"amount": 26703000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-09-30 | sec_edgar |
| current_liabilities | {"amount": 33790000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-06-30 | sec_edgar |
| current_liabilities | {"amount": 29539000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-03-31 | sec_edgar |
| current_liabilities | {"amount": 33501000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-12-31 | sec_edgar |
| current_liabilities | {"amount": 29198000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-09-30 | sec_edgar |
| current_liabilities | {"amount": 27729000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2011-06-30 | sec_edgar |
| current_liabilities | {"amount": 24833000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2010-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 21398534} | 2012-11-02 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 21398534} | 2012-08-02 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 21914946} | 2012-05-01 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 23148116} | 2012-03-08 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 23110645} | 2011-10-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 23191345} | 2011-08-03 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 155685858, "currency": "USD"} | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.02, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.05, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.07, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.1, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2012-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.23, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.32, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.35, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.15, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.2, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2011-03-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.69, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-12-31 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.19, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.68, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-09-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.49, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.23, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2010-06-30 | sec_edgar |
| eps_basic | {"per": "shares", "amount": -0.55, "concept": "us-gaap:EarningsPerShareBasic", "currency": | 2009-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.02, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.05, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2012-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.07, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2012-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.1, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2012-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.23, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": 0.03, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.32, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.35, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.15, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2011-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.2, "concept": "us-gaap:EarningsPerShareDiluted", "currency" | 2011-03-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.69, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-12-31 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.68, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.19, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-09-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.49, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.23, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2010-06-30 | sec_edgar |
| eps_diluted | {"per": "shares", "amount": -0.55, "concept": "us-gaap:EarningsPerShareDiluted", "currency | 2009-12-31 | sec_edgar |
| income_tax_expense | {"amount": 907000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-09-30 | sec_edgar |
| income_tax_expense | {"amount": 651000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-09-30 | sec_edgar |
| income_tax_expense | {"amount": 382000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": -256000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-06-30 | sec_edgar |
| income_tax_expense | {"amount": -638000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2012-03-31 | sec_edgar |
| income_tax_expense | {"amount": -1587000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-12-31 | sec_edgar |
| income_tax_expense | {"amount": -2926000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": -400000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-09-30 | sec_edgar |
| income_tax_expense | {"amount": -2527000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": -577000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-06-30 | sec_edgar |
| income_tax_expense | {"amount": -1949000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2011-03-31 | sec_edgar |
| income_tax_expense | {"amount": -8914000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-12-31 | sec_edgar |
| income_tax_expense | {"amount": -2146000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": -8928000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-09-30 | sec_edgar |
| income_tax_expense | {"amount": -6782000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": -3369000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2010-06-30 | sec_edgar |
| income_tax_expense | {"amount": -4393000, "concept": "us-gaap:IncomeTaxExpenseBenefit", "currency": "USD"} | 2009-12-31 | sec_edgar |
| industry_sic | {"code": "1381", "scheme": "SIC", "description": "Drilling Oil & Gas Wells"} | sec_edgar | |
| intangible_assets | {"amount": 753000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2012-09-30 | sec_edgar |
| intangible_assets | {"amount": 829000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2012-06-30 | sec_edgar |
| intangible_assets | {"amount": 904000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2012-03-31 | sec_edgar |
| intangible_assets | {"amount": 979000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2011-12-31 | sec_edgar |
| intangible_assets | {"amount": 1055000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2011-09-30 | sec_edgar |
| intangible_assets | {"amount": 1130000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2011-06-30 | sec_edgar |
| intangible_assets | {"amount": 1280000, "concept": "us-gaap:IntangibleAssetsNetExcludingGoodwill", "currency": | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 532000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 1534000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 552000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 1002000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 450000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 1488000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| interest_expense | {"amount": 1059000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 392000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-09-30 | sec_edgar |
| interest_expense | {"amount": 667000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 280000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-06-30 | sec_edgar |
| interest_expense | {"amount": 387000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-03-31 | sec_edgar |
| interest_expense | {"amount": 1005000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-12-31 | sec_edgar |
| interest_expense | {"amount": 287000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 712000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-09-30 | sec_edgar |
| interest_expense | {"amount": 425000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 243000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2010-06-30 | sec_edgar |
| interest_expense | {"amount": 794000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2009-12-31 | sec_edgar |
| inventory | {"amount": 944000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-09-30 | sec_edgar |
| inventory | {"amount": 943000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-06-30 | sec_edgar |
| inventory | {"amount": 782000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| inventory | {"amount": 832000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-12-31 | sec_edgar |
| inventory | {"amount": 1067000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-09-30 | sec_edgar |
| inventory | {"amount": 1067000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2011-06-30 | sec_edgar |
| inventory | {"amount": 1252000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": 486000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| net_income | {"amount": -1121000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| net_income | {"amount": 607000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| net_income | {"amount": -1607000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| net_income | {"amount": -2214000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": -5351000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| net_income | {"amount": 617000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": -7413000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-09-30 | sec_edgar |
| net_income | {"amount": -8029000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": -3433000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-06-30 | sec_edgar |
| net_income | {"amount": -4597000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-03-31 | sec_edgar |
| net_income | {"amount": -16068000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-12-31 | sec_edgar |
| net_income | {"amount": -15755000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": -4443000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-09-30 | sec_edgar |
| net_income | {"amount": -11312000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": -5344000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2010-06-30 | sec_edgar |
| net_income | {"amount": -12033000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2009-12-31 | sec_edgar |
| operating_expenses | {"amount": 62127000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_expenses | {"amount": 196862000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_expenses | {"amount": 67218000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_expenses | {"amount": 134735000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_expenses | {"amount": 67517000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-03-31 | sec_edgar |