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2. Inventory (Tables)
12 Months Ended
Dec. 31, 2013
Schedule of Notes Payable  
Schedule of Inventory
    As of December 31,  
    2013     2012  
Raw materials   $ 597,119     $ 2,077,779  
Work-in-progress     1,723,866       1,672,957  
Finished goods     1,776,559       805,044  
Total inventory   $ 4,097,544     $ 4,555,780