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, 2016
Payables and Accruals [Abstract]  
ACCRUED LIABILITIES AND EXPENSES

Accrued liabilities and expenses as of December 31, 2016 and 2015 are as follows:

 

    2016     2015  
Accrued liabilities and expenses   $ 218,629     $ 186,762  
Accrued payroll and payroll taxes     279,199       289,575  
Accrued sales taxes, penalties, and interest     227,415       189,697  
Accrued interest     253       291  
Product warranties     49,149       28,702  
Total accrued liabilities and expenses   $ 774,645     $ 695,027