CONDENSED CONSOLIDATED BALANCE SHEETS (USD $)	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 2,824,375	$ 2,890,263
Receivables, net	206,690	123,336
Notes receivable (Note 10)	3,156,765
Prepaid and other current assets	119,267	165,509
Total current assets	6,307,097	3,179,108
Property, plant and equipment, at cost:
Uranium properties	85,662,769	82,768,867
Other property, plant and equipment	1,030,043	868,454
Less-accumulated depreciation, depletion and impairment	(65,053,086)	(64,791,294)
Net property, plant and equipment	21,639,726	18,846,027
Long-term investment:
Certificates of deposit, restricted	9,426,509	9,379,794
Total assets	37,373,332	31,404,929
Current liabilities:
Accounts payable	2,793,107	1,148,812
Current portion of asset retirement obligations	1,294,910	1,227,125
Royalties and commissions payable	665,745	665,745
Accrued interest and other accrued liabilities	401,931	374,088
Current portion of capital leases	77,144	65,161
Total current liabilities	5,232,837	3,480,931
Asset retirement obligations	3,265,182	3,508,634
Other long-term deferred credits	500,000	500,000
Long term capital leases, less current portion	35,317	54,071
Long-term debt, less current portion	450,000	450,000
Commitments and contingencies (Note 9)
Shareholders' equity:
Common stock, $.001 par value, shares authorized: 200,000,000; shares issued and outstanding (net of treasury shares): 2012-106,420,250; 2011-94,005,006	106,458	94,043
Paid-in capital	181,637,640	169,904,203
Accumulated deficit	(153,844,684)	(146,577,535)
Less: Treasury stock (38,125 shares), at cost	(9,418)	(9,418)
Total shareholders' equity	27,889,996	23,411,293
Total liabilities and shareholders' equity	$ 37,373,332	$ 31,404,929