Annual report pursuant to Section 13 and 15(d)

F. ACCRUED LIABILITIES AND EXPENSES

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F. ACCRUED LIABILITIES AND EXPENSES
 12 Months Ended
Dec. 31, 2015
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES AND EXPENSES

Accrued liabilities and expenses as of December 31, 2015 and 2014 are as follows:

 

    2015     2014  
Accrued liabilities and expenses   $ 198,906     $ 342,841  
Accrued payroll and payroll taxes     386,521       345,589  
Accrued sales taxes, penalties, and interest     229,768       353,260  
Accrued interest     291       4,047  
Product warranties     66,555       44,288  
Total accrued liabilities and expenses   $ 882,041     $ 1,090,025