Organization record
PRC WILLISTON, LLC
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": 1013000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| accounts_receivable | {"amount": 1234000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| accounts_receivable | {"amount": 889000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| accounts_receivable | {"amount": 555000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| accounts_receivable | {"amount": 703000, "concept": "us-gaap:AccountsReceivableNetCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2013-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2013-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 50000, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": | 2013-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2013-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-09-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-06-30 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2012-03-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2011-12-31 | sec_edgar |
| cash_and_equivalents | {"amount": 0, "concept": "us-gaap:CashAndCashEquivalentsAtCarryingValue", "currency": "USD | 2010-12-31 | sec_edgar |
| cashflow_financing | {"amount": -13304000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cu | 2013-12-31 | sec_edgar |
| cashflow_financing | {"amount": 2349000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2013-06-30 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2013-03-31 | sec_edgar |
| cashflow_financing | {"amount": -1207000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-12-31 | sec_edgar |
| cashflow_financing | {"amount": -2114000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "cur | 2012-09-30 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2012-06-30 | sec_edgar |
| cashflow_financing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "currency": | 2012-03-31 | sec_edgar |
| cashflow_financing | {"amount": 1913000, "concept": "us-gaap:NetCashProvidedByUsedInFinancingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_investing | {"amount": 15236000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_investing | {"amount": -882000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2013-09-30 | sec_edgar |
| cashflow_investing | {"amount": 0, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "currency": | 2013-06-30 | sec_edgar |
| cashflow_investing | {"amount": 1000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "currenc | 2013-03-31 | sec_edgar |
| cashflow_investing | {"amount": -49000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-12-31 | sec_edgar |
| cashflow_investing | {"amount": -48000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-09-30 | sec_edgar |
| cashflow_investing | {"amount": -48000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-06-30 | sec_edgar |
| cashflow_investing | {"amount": -48000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curre | 2012-03-31 | sec_edgar |
| cashflow_investing | {"amount": -175000, "concept": "us-gaap:NetCashProvidedByUsedInInvestingActivities", "curr | 2011-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1932000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-12-31 | sec_edgar |
| cashflow_operating | {"amount": -1467000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2013-09-30 | sec_edgar |
| cashflow_operating | {"amount": 50000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2013-06-30 | sec_edgar |
| cashflow_operating | {"amount": -1000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2013-03-31 | sec_edgar |
| cashflow_operating | {"amount": 1256000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-12-31 | sec_edgar |
| cashflow_operating | {"amount": 2162000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curr | 2012-09-30 | sec_edgar |
| cashflow_operating | {"amount": 48000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2012-06-30 | sec_edgar |
| cashflow_operating | {"amount": 48000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "curren | 2012-03-31 | sec_edgar |
| cashflow_operating | {"amount": -1738000, "concept": "us-gaap:NetCashProvidedByUsedInOperatingActivities", "cur | 2011-12-31 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2014-02-24 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-11-07 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-08-08 | sec_edgar |
| common_shares_outstanding | {"unit": "shares", "value": 0, "concept": "dei:EntityCommonStockSharesOutstanding"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 6013000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| current_assets | {"amount": 1555000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| current_assets | {"amount": 1200000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_assets | {"amount": 910000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_assets | {"amount": 703000, "concept": "us-gaap:AssetsCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| current_liabilities | {"amount": 47696000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-12-31 | sec_edgar |
| current_liabilities | {"amount": 64238000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-09-30 | sec_edgar |
| current_liabilities | {"amount": 62686000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-06-30 | sec_edgar |
| current_liabilities | {"amount": 61438000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2013-03-31 | sec_edgar |
| current_liabilities | {"amount": 61257000, "concept": "us-gaap:LiabilitiesCurrent", "currency": "USD"} | 2012-12-31 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2014-02-24 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2013-11-07 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2013-08-08 | sec_edgar |
| dei:EntityCommonStockSharesOutstanding | {"unit": "shares", "value": 0} | 2013-03-31 | sec_edgar |
| dei:EntityPublicFloat | {"amount": 0, "currency": "USD"} | 2014-02-24 | sec_edgar |
| depreciation_amortization | {"amount": 0, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": "USD" | 2013-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 0, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": "USD" | 2012-12-31 | sec_edgar |
| depreciation_amortization | {"amount": 0, "concept": "us-gaap:DepreciationDepletionAndAmortization", "currency": "USD" | 2011-12-31 | sec_edgar |
| industry_sic | {"code": "1311", "scheme": "SIC", "description": "Crude Petroleum & Natural Gas"} | sec_edgar | |
| interest_expense | {"amount": 1928000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-12-31 | sec_edgar |
| interest_expense | {"amount": 357000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-09-30 | sec_edgar |
| interest_expense | {"amount": 1453000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-09-30 | sec_edgar |
| interest_expense | {"amount": 615000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-06-30 | sec_edgar |
| interest_expense | {"amount": 1096000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-06-30 | sec_edgar |
| interest_expense | {"amount": 481000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2013-03-31 | sec_edgar |
| interest_expense | {"amount": 2092000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-12-31 | sec_edgar |
| interest_expense | {"amount": 565000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 1527000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-09-30 | sec_edgar |
| interest_expense | {"amount": 481000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 962000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-06-30 | sec_edgar |
| interest_expense | {"amount": 481000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2012-03-31 | sec_edgar |
| interest_expense | {"amount": 2065000, "concept": "us-gaap:InterestExpense", "currency": "USD"} | 2011-12-31 | sec_edgar |
| inventory | {"amount": 290000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2013-09-30 | sec_edgar |
| inventory | {"amount": 261000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2013-06-30 | sec_edgar |
| inventory | {"amount": 355000, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2013-03-31 | sec_edgar |
| inventory | {"amount": 0, "concept": "us-gaap:InventoryNet", "currency": "USD"} | 2012-12-31 | sec_edgar |
| net_income | {"amount": 1888000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-12-31 | sec_edgar |
| net_income | {"amount": -3542000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-09-30 | sec_edgar |
| net_income | {"amount": -858000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-09-30 | sec_edgar |
| net_income | {"amount": -2684000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-06-30 | sec_edgar |
| net_income | {"amount": -2341000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-06-30 | sec_edgar |
| net_income | {"amount": -343000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2013-03-31 | sec_edgar |
| net_income | {"amount": -14891000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-12-31 | sec_edgar |
| net_income | {"amount": -1858000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| net_income | {"amount": -472000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| net_income | {"amount": -401000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| net_income | {"amount": -1385000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| net_income | {"amount": -985000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| net_income | {"amount": -3017000, "concept": "us-gaap:NetIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| operating_expenses | {"amount": 2520000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2013-09-30 | sec_edgar |
| operating_expenses | {"amount": 7404000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2013-09-30 | sec_edgar |
| operating_expenses | {"amount": 3413000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2013-06-30 | sec_edgar |
| operating_expenses | {"amount": 4884000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2013-06-30 | sec_edgar |
| operating_expenses | {"amount": 1471000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2013-03-31 | sec_edgar |
| operating_expenses | {"amount": 6396000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_expenses | {"amount": 1783000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_expenses | {"amount": 2022000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_expenses | {"amount": 4612000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_expenses | {"amount": 2592000, "concept": "us-gaap:OperatingExpenses", "currency": "USD"} | 2012-03-31 | sec_edgar |
| operating_income | {"amount": -1655000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-12-31 | sec_edgar |
| operating_income | {"amount": -2089000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-09-30 | sec_edgar |
| operating_income | {"amount": -501000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-09-30 | sec_edgar |
| operating_income | {"amount": -1726000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-06-30 | sec_edgar |
| operating_income | {"amount": -1588000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-06-30 | sec_edgar |
| operating_income | {"amount": 138000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2013-03-31 | sec_edgar |
| operating_income | {"amount": -1197000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-12-31 | sec_edgar |
| operating_income | {"amount": -331000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_income | {"amount": 93000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-09-30 | sec_edgar |
| operating_income | {"amount": 80000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_income | {"amount": -423000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-06-30 | sec_edgar |
| operating_income | {"amount": -504000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2012-03-31 | sec_edgar |
| operating_income | {"amount": -2650000, "concept": "us-gaap:OperatingIncomeLoss", "currency": "USD"} | 2011-12-31 | sec_edgar |
| revenue | {"amount": 2019000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2013-09-30 | sec_edgar |
| revenue | {"amount": 5315000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2013-09-30 | sec_edgar |
| revenue | {"amount": 1687000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2013-06-30 | sec_edgar |
| revenue | {"amount": 3296000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2013-06-30 | sec_edgar |
| revenue | {"amount": 1609000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2013-03-31 | sec_edgar |
| revenue | {"amount": 6065000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-09-30 | sec_edgar |
| revenue | {"amount": 1876000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-09-30 | sec_edgar |
| revenue | {"amount": 2102000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-06-30 | sec_edgar |
| revenue | {"amount": 4189000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-06-30 | sec_edgar |
| revenue | {"amount": 2088000, "concept": "us-gaap:SalesRevenueNet", "currency": "USD"} | 2012-03-31 | sec_edgar |
| sga_expense | {"amount": 1655000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2013-12-31 | sec_edgar |
| sga_expense | {"amount": 953000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2013-09-30 | sec_edgar |
| sga_expense | {"amount": 439000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2013-09-30 | sec_edgar |
| sga_expense | {"amount": 514000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2013-06-30 | sec_edgar |
| sga_expense | {"amount": 197000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2013-06-30 | sec_edgar |
| sga_expense | {"amount": 317000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2013-03-31 | sec_edgar |
| sga_expense | {"amount": 1197000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2012-12-31 | sec_edgar |
| sga_expense | {"amount": 299000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-09-30 | sec_edgar |
| sga_expense | {"amount": 898000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-09-30 | sec_edgar |
| sga_expense | {"amount": 299000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-06-30 | sec_edgar |
| sga_expense | {"amount": 598000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-06-30 | sec_edgar |
| sga_expense | {"amount": 299000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD" | 2012-03-31 | sec_edgar |
| sga_expense | {"amount": 2650000, "concept": "us-gaap:GeneralAndAdministrativeExpense", "currency": "USD | 2011-12-31 | sec_edgar |
| total_assets | {"amount": 6013000, "concept": "us-gaap:Assets", "currency": "USD"} | 2013-12-31 | sec_edgar |
| total_assets | {"amount": 18476000, "concept": "us-gaap:Assets", "currency": "USD"} | 2013-09-30 | sec_edgar |
| total_assets | {"amount": 17769000, "concept": "us-gaap:Assets", "currency": "USD"} | 2013-06-30 | sec_edgar |
| total_assets | {"amount": 18857000, "concept": "us-gaap:Assets", "currency": "USD"} | 2013-03-31 | sec_edgar |
| total_assets | {"amount": 18960000, "concept": "us-gaap:Assets", "currency": "USD"} | 2012-12-31 | sec_edgar |
| total_liabilities | {"amount": 47696000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2013-12-31 | sec_edgar |
| total_liabilities | {"amount": 65589000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2013-09-30 | sec_edgar |
| total_liabilities | {"amount": 64024000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2013-06-30 | sec_edgar |
| total_liabilities | {"amount": 62771000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2013-03-31 | sec_edgar |
| total_liabilities | {"amount": 62531000, "concept": "us-gaap:Liabilities", "currency": "USD"} | 2012-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 6013000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": "US | 2013-12-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 18476000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": "U | 2013-09-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 17769000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": "U | 2013-06-30 | sec_edgar |
| total_liabilities_and_equity | {"amount": 18857000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": "U | 2013-03-31 | sec_edgar |
| total_liabilities_and_equity | {"amount": 18960000, "concept": "us-gaap:LiabilitiesAndStockholdersEquity", "currency": "U | 2012-12-31 | sec_edgar |
| xbrl:AccountsPayableAndAccruedLiabilitiesCurrent | {"amount": 2035000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AccountsPayableAndAccruedLiabilitiesCurrent | {"amount": 1962000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AccountsPayableAndAccruedLiabilitiesCurrent | {"amount": 1879000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AccountsPayableAndAccruedLiabilitiesCurrent | {"amount": 1476000, "currency": "USD"} | 2013-03-31 | sec_edgar |
| xbrl:AccountsPayableAndAccruedLiabilitiesCurrent | {"amount": 1403000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"amount": 1013000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"amount": 1234000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"amount": 889000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"amount": 555000, "currency": "USD"} | 2013-03-31 | sec_edgar |
| xbrl:AccountsReceivableNetCurrent | {"amount": 703000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AccretionOfDiscount | {"amount": 0, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AccretionOfDiscount | {"amount": 5132000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AccretionOfDiscount | {"amount": 4656000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 1231000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 1231000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 1231000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 2250000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 0, "currency": "USD"} | 2012-09-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 0, "currency": "USD"} | 2012-06-30 | sec_edgar |
| xbrl:AssetImpairmentCharges | {"amount": 0, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 0, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 2313000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 2274000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 2243000, "currency": "USD"} | 2013-03-31 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 2163000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetRetirementObligation | {"amount": 1983000, "currency": "USD"} | 2011-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationAccretionExpense | {"amount": 126000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationAccretionExpense | {"amount": 95000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetRetirementObligationAccretionExpense | {"amount": 62000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AssetRetirementObligationAccretionExpense | {"amount": 32000, "currency": "USD"} | 2013-03-31 | sec_edgar |
| xbrl:AssetRetirementObligationAccretionExpense | {"amount": 180000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationCurrent | {"amount": 0, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationCurrent | {"amount": 962000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetRetirementObligationCurrent | {"amount": 936000, "currency": "USD"} | 2013-06-30 | sec_edgar |
| xbrl:AssetRetirementObligationCurrent | {"amount": 910000, "currency": "USD"} | 2013-03-31 | sec_edgar |
| xbrl:AssetRetirementObligationCurrent | {"amount": 889000, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationLiabilitiesIncurred | {"amount": 7000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationLiabilitiesIncurred | {"amount": 7000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetRetirementObligationLiabilitiesIncurred | {"amount": 0, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationLiabilitiesSettled | {"amount": 2344000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationLiabilitiesSettled | {"amount": 0, "currency": "USD"} | 2012-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationRevisionOfEstimate | {"amount": 48000, "currency": "USD"} | 2013-12-31 | sec_edgar |
| xbrl:AssetRetirementObligationRevisionOfEstimate | {"amount": 48000, "currency": "USD"} | 2013-09-30 | sec_edgar |
| xbrl:AssetRetirementObligationRevisionOfEstimate | {"amount": 49000, "currency": "USD"} | 2013-06-30 | sec_edgar |