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3. INVENTORIES
9 Months Ended
Sep. 30, 2016
Inventory Disclosure [Abstract]  
3. INVENTORIES

Inventories consist of:

 

    September 30, 2016   December 31, 2015
             
Raw materials   $ 879,085     $ 1,014,917  
Finished goods     4,161,087       5,486,970  
Work-in-process     744,241       691,604  
Allowance for obsolete and slow-moving inventory     (12,341 )     (12,691 )
    $ 5,772,072     $ 7,180,800