3. INVENTORY (Details) - USD ($)  | 
Jun. 30, 2017  | 
Dec. 31, 2016  | 
|---|---|---|
| Inventory Disclosure [Abstract] | ||
| Raw materials | $ 7,049,990 | $ 7,699,057 | 
| Finished goods | 1,407,927 | 1,631,442 | 
| Total inventory | $ 8,457,917 | $ 9,330,499 | 
| X | ||||||||||
- Definition Total inventory, both current and noncurrent No definition available. 
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| X | ||||||||||
- References No definition available. 
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| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
| X | ||||||||||
- Definition Amount before valuation and LIFO reserves of raw materials expected to be sold, or consumed within one year or operating cycle, if longer. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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