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Oil And Gas Properties | 12 Months Ended
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Dec. 31, 2012
Oil And Gas Properties [Abstract] |
Oil And Gas Properties | 4. Oil and Gas Properties The following table sets forth information concerning the Company's oil and gas properties: (in thousands):
| December 31,
|  | 2012 |  |  | 2011 |
Oil and gas properties, at cost | $ | 43,351 |  | $ | 36,002 |
Unevaluated properties |  | 457 |  |  | 268 |
Accumulated depreciation, depletion and amortization |  | (19,108 | ) |  | (16,064 | )
Oil and gas properties, net | $ | 24,700 |  | $ | 20,206 |
During the years ended December 31, 2012, 2011, and 2010, the Company recorded depletion expense of $3.0 million, $2.2 million and $1.9 million, respectively.

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