CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 5,414,726	$ 15,386,472
Receivables, net	293,065	46,244
Prepaid and other current assets	260,676	179,231
Total current assets	5,968,467	15,611,947
Property, plant and equipment, at cost:
Uranium properties	82,689,009	82,989,579
Other property, plant and equipment	868,186	905,511
Less-accumulated depreciation, depletion and impairment	(64,643,545)	(64,282,888)
Net property, plant and equipment	18,913,650	19,612,202
Long-term investment:
Certificates of deposit, restricted	8,862,491	7,337,366
Total assets	33,744,608	42,561,515
Current liabilities:
Accounts payable	1,176,868	602,190
Current portion of asset retirement obligations	1,177,951	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	374,732	348,269
Current portion of capital leases	64,482	83,183
Total current liabilities	3,459,778	5,011,003
Asset retirement obligations	3,637,683	3,804,057
Other long-term deferred credits	500,000	500,000
Long term capital leases, less current portion	71,028	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	169,426,529	167,971,955
Accumulated deficit	(143,884,558)	(135,378,138)
Less: Treasury stock (38,125 shares), at cost	(9,418)	(9,418)
Total shareholders' equity	25,626,119	32,676,867
Total liabilities and shareholders' equity	$ 33,744,608	$ 42,561,515