Quarterly report pursuant to Section 13 or 15(d)

E. ACCRUED LIABILITIES AND EXPENSES (Details)

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E. ACCRUED LIABILITIES AND EXPENSES (Details) - USD ($)
Sep. 30, 2016
Dec. 31, 2015
Dec. 31, 2014
Accrued liabilities and expenses      
Accrued liabilities and expenses $ 410,670 $ 198,906  
Accrued payroll and payroll taxes 503,591 386,521  
Accrued sales taxes, penalties, and interest 242,641 229,768  
Accrued interest 407 291  
Product warranties 77,310 66,555 $ 44,288
Total accrued liabilities and expenses $ 1,234,619 $ 882,041