Quarterly report pursuant to Section 13 or 15(d)

D. ACCRUED LIABILITIES AND EXPENSES (Details)

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D. ACCRUED LIABILITIES AND EXPENSES (Details) - USD ($)
Sep. 30, 2017
Dec. 31, 2016
Dec. 31, 2015
Accrued liabilities and expenses      
Accrued liabilities and expenses $ 589,288 $ 223,011  
Accrued payroll and payroll taxes 354,293 331,908  
Accrued sales taxes, penalties, and interest 72,331 274,869  
Accrued interest 332 253  
Product warranties 77,810 95,540 $ 66,555
Total accrued liabilities and expenses $ 1,094,054 $ 925,581