Quarterly report pursuant to Section 13 or 15(d)

ACCRUED LIABILITIES (Details)

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ACCRUED LIABILITIES (Details) - USD ($)
Jun. 30, 2018
Dec. 31, 2017
Payables and Accruals [Abstract]    
Accrued compensation and related taxes $ 602,600 $ 608,000
Accrued interest 233,000 105,700
Warranty and defect claims 55,100 71,700
Other 467,700 522,200
Total Accrued Liabilities $ 1,358,400 $ 1,307,600