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PRODUCT WARRANTIES (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Balance, beginning of period $ 48,363 $ 47,614
Warranties accrued during the period 32,877 7,189
Payments on warranty claims (40,759) (6,440)
Balance, end of period $ 40,481 $ 48,363