Quarterly report pursuant to Section 13 or 15(d)

D. ACCRUED LIABILITIES AND EXPENSES

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D. ACCRUED LIABILITIES AND EXPENSES
9 Months Ended
Sep. 30, 2017
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES AND EXPENSES

Accrued liabilities and expenses at September 30, 2017 and December 31, 2016 are as follows:

 

    September 30,
2017
    December 31,
2016
 
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  
Total accrued liabilities and expenses   $ 1,094,054     $ 925,581