CONSOLIDATED BALANCE SHEETS (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current Assets:
Cash and cash equivalents	$ 1,117,303	$ 4,664,596
Prepaid and other current assets	685,678	708,228
Total Current Assets	1,802,981	5,372,824
Property, plant and equipment, at cost:
Property, plant and equipment	96,407,310	100,058,667
Less accumulated depreciation, depletion and impairment	(65,566,411)	(65,318,921)
Net property, plant and equipment	30,840,899	34,739,746
Certificates of deposit, restricted	4,010,937	9,491,865
Total Assets	36,654,817	49,604,435
Current Liabilities:
Accounts payable	1,243,169	1,331,888
Accrued liabilities	1,775,491	1,525,726
Note payable		5,000,000
Current portion of asset retirement obligations		1,160,378
Current portion of capital leases	10,543	112,140
Total Current Liabilities	3,029,203	9,130,132
Asset retirement obligations	3,833,608	3,337,679
Derivative liability - convertible debenture	2,169,408
Convertible debenture	1,024,715
Other long-term liabilities and deferred credits	1,350,000	950,000
Long-term capital leases, less current portion	4,495	17,582
Total Liabilities	11,411,429	13,435,393
Commitments and contingencies (Notes 3, 5, 6 and 11)
Shareholders' Equity:
Common stock, 200,000,000 shares authorized, $.001 par value; 19,820,258 and 16,150,163 shares issued and outstanding, respectively	19,824	16,154
Paid-in capital	216,703,028	207,338,549
Accumulated deficit	(191,470,046)	(171,176,243)
Less: Treasury stock (3,813 shares), at cost	(9,418)	(9,418)
Total Shareholders' Equity	25,243,388	36,169,042
Total Liabilities and Shareholders' Equity	$ 36,654,817	$ 49,604,435