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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Current assets: |  |
Cash and equivalents | $ 2,518 | $ 3,354
Oil and gas sales receivable | 562 | 1,143
Oil price risk derivatives |  | 1,634
Discontinued operations - assets of mining segment | 114 | 318
Assets available for sale | 653 | 251
Other current assets | 1,042 | 136
Total current assets | 4,889 | 6,836
Oil and gas properties under full cost method: |  |
Unevaluated properties and exploratory wells in progress | 4,664 | 5,664
Evaluated properties | 87,834 | 97,912
Less accumulated depreciation, depletion and amortization | (82,640) | (80,144)
Net oil and gas properties | 9,858 | 23,432
Other assets: |  |
Property and equipment, net | 1,864 | 2,658
Other assets | 156 | 206
Total other assets | 2,020 | 2,864
Total assets | 16,767 | 33,132
Accounts payable and accrued liabilities: |  |
Payable to Major Operator | 2,710 | 4,159
Contingent ownership interests | 1,430 | 3,108
Other | 743 | 1,775
Accrued compensation and benefits | 49 | 1,352
Current portion of long-term debt | 6,000 | 6,000
Discontinued operations of mining properties |  | 204
Other current liabilities |  | 16
Total current liabilities | 10,932 | 16,614
Noncurrent liabilities: |  |
Long-term debt, less current portion |  |
Asset retirement obligations | 1,045 | 1,038
Warrant Liability | 1,030 |
Other liabilities | 2 | 5
Total noncurrent liabilities | 2,077 | 1,043
Commitments and contingencies (Note 10) |  |
Shareholders' equity: |  |
Preferred stock, par value $0.01 per share. Authorized 100,000 shares, 50,000 shares of series A Convertible Preferred Stock in 2016; liquidation preference of 2,232 as of December 31, 2016. | 1 |
Common stock, $0.01 par value; unlimited shares authorized; 6,134,506 and 4,699,956 shares issued and outstanding, respectively | 61 | 282
Additional paid-in capital | 127,576 | 124,898
Accumulated deficit | (123,825) | (109,705)
Other comprehensive loss | (55) |
Total shareholders' equity | 3,758 | 15,475
Total liabilities and shareholders' equity | $ 16,767 | $ 33,132

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