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RENTAL EXPENSE AND COMMITMENTS AND CONTINGENCIES (Details) (USD $)
 12 Months Ended 36 Months Ended
Dec. 31, 2012
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Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2012
Mining Concessions
Dec. 31, 2010
Mining Concessions
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Dec. 31, 2012
Mining Concessions
RENTAL EXPENSE AND COMMITMENTS AND CONTINGENCIES            
Rental expense $ 700,000 $ 100,000 $ 100,000      
Lease Obligation            
2013 3,971,000          
2014 3,861,000          
2015 4,883,000          
2016 521,000          
2017 522,000          
Number of options cancelled 2          
Option agreements to purchase mineral concessions            
Number of options agreement Company entered into to purchase mineral concessions in Mexico         3  
Percentage of mineral concessions purchased by the Company in connection with the option agreements         100.00%  
Total cash commitment       900,000    
Total shares committed to be issued       249,000   249,000
Period to acquire Mexico mining concessions, minimum       36 months    
Cash already paid under the Mexico mining concessions option agreements $ 712,000 $ 10,059,000 $ 1,300,000     $ 750,000
Shares already issued under the Mexico mining concessions option agreements 83,000 84,000       207,500