Quarterly report pursuant to Section 13 or 15(d)

F. ACCRUED LIABILITIES AND EXPENSES (Details)

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F. ACCRUED LIABILITIES AND EXPENSES (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Dec. 31, 2013
Accrued liabilities and expenses      
Accrued liabilities and expenses $ 392,930 $ 342,841  
Accrued payroll and payroll taxes 419,198 345,589  
Accrued sales taxes, penalties, and interest 357,271 353,260  
Accrued interest 831 4,047  
Product warranties 57,511 44,288 $ 77,943
Total accrued liabilities and expenses $ 1,227,741 $ 1,090,025