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Note A - The Company and Summary of Significant Accounting Policies (Tables) | 12 Months Ended
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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 |

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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 Reference 2: 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(3)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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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 + Details
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