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 |