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

12 Months Ended

Dec. 31, 2021

Notes Tables

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

		December 31,
		2021				2020
Accounts receivable		$	1,234,411			$	561,834
Loss on foreign currency			(50,000	)			-
Allowance for doubtful accounts			(213,785	)			(13,785	)
Accounts receivable, net of allowances for doubtful accounts		$	970,626			$	548,049

Useful Lives of Property Plan and Equipment [Table Text Block]

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

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

		Year ended December 31,
		2021				2020
Selling, general and administrative		$	269,368			$	705,971
Research, development and engineering			45,347				86,124
		$	314,715			$	792,095

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

		Year ended December 31,
		2021				2020
Weighted average Risk free interest rate			-				0.30	%
Expected life of options (in years)			-				4.50
Expected dividends			-				0	%
Weighted average Volatility of stock price			-				115	%

X

- Definition

Tabular disclosure of 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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