CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 8,243,704	$ 15,386,472
Receivables, net	136,378	46,244
Prepaid and other current assets	161,837	179,231
Total current assets	8,541,919	15,611,947
Property, plant and equipment, at cost:
Uranium properties	82,644,306	82,989,579
Other property, plant and equipment	867,371	905,511
Less-accumulated depreciation, depletion and impairment	(64,468,795)	(64,282,888)
Net property, plant and equipment	19,042,882	19,612,202
Long-term investment:
Certificates of deposit, restricted	8,355,720	7,337,366
Total assets	35,940,521	42,561,515
Current liabilities:
Accounts payable	757,752	602,190
Current portion of asset retirement obligations	1,156,526	1,239,588
Royalties and commissions payable	665,745	665,745
Deferred compensation		697,028
Accrued legal settlement		1,375,000
Accrued interest and other accrued liabilities	382,094	348,269
Current portion of capital leases	69,257	83,183
Total current liabilities	3,031,374	5,011,003
Asset retirement obligations	3,616,050	3,804,057
Other long-term deferred credits	500,000	500,000
Long term capital leases, less current portion	87,530	119,588
Long-term debt, less current portion	450,000	450,000
Commitments and contingencies (Notes 4 and 9)
Shareholders' equity:
Common stock, $.001 par value, shares authorized: 200,000,000; shares issued and outstanding (net of treasury shares): 2011 93,528,362; 2010 92,430,306	93,566	92,468
Paid-in capital	169,268,731	167,971,955
Accumulated deficit	(141,097,312)	(135,378,138)
Less: Treasury stock (38,125 shares), at cost	(9,418)	(9,418)
Total shareholders' equity	28,255,567	32,676,867
Total liabilities and shareholders' equity	$ 35,940,521	$ 42,561,515