Note O - Income Taxes (Details) - Components of Deferred Taxes (USD $)	Dec. 31, 2013	Dec. 31, 2012
Current asset:
Accrued compensation	$ 49,000	$ 128,000
Accounts receivable allowance	8,000	8,000
Non-current asset (liability):
Stock-based compensation	205,000	336,000
Basis differences in fixed assets	(19,000)	(10,000)
Basis differences in intangible assets	(69,000)	(77,000)
Net operating loss and credit carryforwards	17,217,000	16,143,000
Valuation allowances	$ (17,391,000)	$ (16,528,000)

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the allowance for doubtful accounts.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.

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