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RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES (Details) (USD $) | 12 Months Ended |  | 3 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 El Gallo 2 Properties | Mar. 31, 2013 Mining Concessions | Dec. 31, 2012 Mining Concessions | Dec. 31, 2010 Mining Concessions Item | Dec. 31, 2012 Mining Concessions
RENTAL EXPENSE, COMMITMENTS AND CONTINGENCIES |  |  |  |  |  |  |  |
Rental expense | $ 800,000 | $ 700,000 | $ 100,000 |  |  |  |  |
Lease Obligation |  |  |  |  |  |  |  |
2014 | 3,534,000 |  |  |  |  |  |  |
2015 | 3,563,000 |  |  |  |  |  |  |
2016 | 3,648,000 |  |  |  |  |  |  |
2017 | 4,097,000 |  |  |  |  |  |  |
2018 | 4,409,000 |  |  |  |  |  |  |
Purchase Commitments |  |  |  |  |  |  |  |
2014 | 3,071,000 |  |  |  |  |  |  |
2015 | 306,000 |  |  |  |  |  |  |
Total |  |  |  |  |  |  |  |
2014 | 6,605,000 |  |  |  |  |  |  |
2015 | 3,869,000 |  |  |  |  |  |  |
2016 | 3,648,000 |  |  |  |  |  |  |
2017 | 4,097,000 |  |  |  |  |  |  |
2018 | 4,409,000 |  |  |  |  |  |  |
Option agreements to purchase mineral concessions |  |  |  |  |  |  |  |
Purchase commitment expected to be disbursed in 2014 |  |  |  | 2,400,000 |  |  |  |
Number of options agreement Company entered into to purchase mineral concessions in Mexico |  |  |  |  |  |  | 1 |
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 | $ 150,000 | $ 712,000 | $ 10,059,000 |  |  |  |  | $ 750,000
Shares issued under the Mexico mining concessions option agreements | 41,500 |  |  |  | 41,500 |  |  | 207,500

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