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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