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

12 Months Ended

Dec. 31, 2024

Notes Tables

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

		December 31,
		2024				2023
Accounts receivable		$	1,351,482			$	2,207,311
Allowance for doubtful accounts			(633,253	)			(1,005,785	)
Accounts receivable, net of allowances for doubtful accounts		$	718,229			$	1,201,526

		Balance at Beginning of Year				Charged to Costs and Expenses				Deductions from Reserves				Balance at End of Year
Year ended December 31, 2024 Allowance for Doubtful Accounts		$	1,005,785			$	16,265			$	(388,797	)		$	633,253
Year ended December 31, 2023 Allowance for Doubtful Accounts		$	573,785			$	750,000			$	(318,000	)		$	1,005,785

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

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

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

		Year ended
		December 31,
		2024				2023
Selling, general and administrative		$	201,100			$	209,134
Research, development and engineering			42,150				56,598
		$	243,250			$	265,732

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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- Definition

Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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-SubTopic 10
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(3))
-Publisher FASB
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- Definition

Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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