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Note A - The Company and Summary of Significant Accounting Policies (Tables)

9 Months Ended

12 Months Ended

Sep. 30, 2013

Dec. 31, 2012

Disclosure Text Block [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

		December 31,
		2012				2011
Accounts receivable		$	625,310			$	984,872
Allowance for doubtful accounts			(20,526	)			(397,526	)
Accounts receivable, net allowances for doubtful accounts			604,784				587,346

Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

		Balance at Beginning of Year				Charged to Costs and Expenses				Deductions From Reserves				Balance at End of Year
Year Ended December 31, 2012
Allowance for Doubtful Accounts		$	397,526			$	-			$	377,000			$	20,526
Year Ended December 31, 2011
Allowance for Doubtful Accounts		$	11,526			$	386,000			$	-			$	397,526

Property, Plant and Equipment, Estimated Useful Lives

Equipment and leasehold improvements
Equipment (years)		3	-	5
Furniture and fixtures (years)		3	-	5
Software (years)			3
Leasehold improvements		life or lease term

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three Months Ended September 30,				Three Months Ended September 30,
		2013				2012
Selling, general and administrative		$	19,294			$	5,637
Research, development and engineering			2,961				1,308
		$	22,255			$	6,945

		Nine Months Ended September 30,				Nine Months Ended September 30,
		2013				2012
Selling, general and administrative		$	50,571			$	19,022
Research, development and engineering			11,701				26,032
		$	62,272			$	45,054

		Year ended December 31,
		2012				2011
Selling, general and administrative		$	22,502			$	12,054
Research, development and engineering			27,340				45,126
		$	49,842			$	57,180

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Year ended December 31,
		2012				2011
Risk free interest rate			0.80	%			1.64	%
Expected life of options (in years)			4.48				4.52
Expected dividends			0	%			0	%
Volatility of stock price			114	%			114	%

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Describes the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment).

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