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Liquidity And Going Concern (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Mar. 31, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Jun. 30, 2016
Liquidity And Going Concern [Line Items] |  |  |  |  |  |
Oil and natural gas sales | $ 14,635 | $ 11,000 | $ 17,546 | $ 44,458 | $ 62,922 |
Credit facility borrowing base | 20,000 |  |  | $ 20,000 |  | $ 20,000
Minimum average closing price benchmark for NYSE |  |  |  | $ 1.00 |  |
Consecutive trading days measuring average closing price |  |  |  | 30 days |  |
Additional Term Loan Available Until Dec. 31, 2016 [Member] |  |  |  |  |  |
Liquidity And Going Concern [Line Items] |  |  |  |  |  |
Notes Payable to Bank | 5,000 |  |  | $ 5,000 |  |
Term Loan [Member] |  |  |  |  |  |
Liquidity And Going Concern [Line Items] |  |  |  |  |  |
Notes Payable to Bank | $ 15,000 |  |  | $ 15,000 |  |

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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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