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BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Narrative) (Details) (USD $)
3 Months Ended 9 Months Ended 9 Months Ended 1 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Sep. 30, 2012
Assets Held under Capital Leases [Member]
Sep. 30, 2011
Assets Held under Capital Leases [Member]
Dec. 31, 2011
Assets Held under Capital Leases [Member]
Oct. 31, 2012
Accounts Receivable [Member]
Sep. 30, 2012
Accounts Receivable [Member]
Sep. 30, 2012
Accounts Receivable [Member]
Outstanding for Less than Three Months [Member]
Dec. 31, 2011
Accounts Receivable [Member]
Outstanding for Less than Three Months [Member]
Organization and Summary of Significant Accounting Policies [Line Items]                        
Cash and cash equivalents $ 58,644,360   $ 58,644,360   $ 78,526,060              
Percentage of accounts receivable                 57.00% 43.00% 64.00% 100.00%
Property, plant and equipment, useful life           20 years            
Contributions to the defined retirement plan 112,940 107,035 355,333 333,947                
Shipping and handling costs 0 123,103 80,607 404,331                
Exploration costs   1,047,110   4,914,396                
Property plant and machinery, net book value           130,143   1,042,138        
Impairment of idle plant and machinery $ 130,143   $ 1,042,138 $ 2,488,644     $ 5,081,922          
Anti-dilutive common stock equivalents 5,165,936 1,481,786 2,803,343 1,111,634