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10. INCOME TAXES (Details 3) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Deferred tax assets:    
Reserve for Bad Debt $ 84,000 $ 140,000
Inventory Reserve 28,000 0
Inventory Capitalization 0 94,000
Accrued Vacation 52,000 31,000
Deferred Rent 4,000 0
Warranty Reserve 8,000 0
Property and Equipment 0 21,000
Intangible Assets 362,000 208,000
Net operating losses 4,718,000 3,724,000
Valuation Allowance (4,959,000) (4,218,000)
Deferred Tax Assets 297,000 0
Deferred tax liabilities:    
Property Plant and Equipment 297,000 0
Net Deferred Tax Assets and Liabilities $ 0 $ 0