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 $)
Mar. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Accrued liabilities and expenses      
Accrued liabilities and expenses $ 355,617us-gaap_AccountsPayableAndOtherAccruedLiabilities $ 342,841us-gaap_AccountsPayableAndOtherAccruedLiabilities  
Accrued payroll and payroll taxes 398,360us-gaap_AccruedPayrollTaxesCurrent 345,589us-gaap_AccruedPayrollTaxesCurrent  
Accrued sales taxes, penalties, and interest 320,242us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued 353,260us-gaap_IncomeTaxExaminationPenaltiesAndInterestAccrued  
Accrued interest 4,164us-gaap_DepositLiabilitiesAccruedInterest 4,047us-gaap_DepositLiabilitiesAccruedInterest  
Product warranties 64,913us-gaap_ProductWarrantyAccrual 44,288us-gaap_ProductWarrantyAccrual 77,943us-gaap_ProductWarrantyAccrual
Total accrued liabilities and expenses $ 1,143,296us-gaap_AccruedLiabilitiesCurrent $ 1,090,025us-gaap_AccruedLiabilitiesCurrent