Note J - Commitments and Contingencies (Details Textual) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Jan. 01, 2019 |
|
| Operating Lease, Liability | $ 38,000 | $ 76,000 | |
| Operating Lease, Right-of-Use Asset | 37,000 | 72,000 | |
| Operating Lease, Expense | 38,000 | 40,000 | |
| Amount of Guarantee Obligations, Noncurrent | 11,000 | 11,000 | |
| BB and T Bank [Member] | CBOP Loan [Member] | |||
| Long-Term Debt | $ 854,000 | $ 1,358,000 | |
| Cumulative Effect, Period of Adoption, Adjusted Balance [Member] | Accounting Standards Update 2016-02 [Member] | |||
| Operating Lease, Liability | $ 85,000 | ||
| Cumulative Effect, Period of Adoption, Adjustment [Member] | Accounting Standards Update 2016-02 [Member] | |||
| Operating Lease, Right-of-Use Asset | $ 85,000 | ||
| X | ||||||||||
- Definition The noncurrent portion of a written or oral contract that obligates the guarantor to either pay cash or perform services if another party fails to perform specified actions or achieve specified results. No definition available.
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| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of operating lease expense. Excludes sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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