Quarterly report pursuant to Section 13 or 15(d)

D. ACCRUED LIABILITIES AND EXPENSES

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D. ACCRUED LIABILITIES AND EXPENSES
 3 Months Ended
Mar. 31, 2017
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES AND EXPENSES

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

 

    March 31,
2017		     December 31,
2016		  
Accrued liabilities and expenses   $ 371,910     $ 223,011  
Accrued payroll and payroll taxes     402,455       331,908  
Accrued sales taxes, penalties, and interest     129,885       274,869  
Accrued interest     122       253  
Product warranties     93,226       95,540  
Total accrued liabilities and expenses   $ 997,598     $ 925,581