Note L - Income Taxes (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

	2016			2015
Current assets
Allowance for doubtful accounts-short term	$	4,000		$	2,000
Warranty reserve		36,000			43,000
Deferred officers compensation		395,000			643,000
Subtotal		435,000			688,000
Valuation allowance		(435,000	)		(688,000	)
Non-current assets
Depreciation and amortization	$	135,000		$	149,000
Net operating loss carryforward		18,456,000			16,160,000
Federal tax effect of state deferred tax assets		-			(117,000	)
Subtotal		18,591,000			16,192,000
Valuation allowance		(18,591,000	)		(16,192,000	)

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

	2016			2015
Statutory rate		34	%		34	%
State income tax - all states		6	%		6	%
Non-deductible stock based compensation		3	%		-
		43	%		40	%
Current year valuation allowance		(43	%)		(40	%)
Benefit for income taxes		0	%		0	%