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Note F - Note Receivable (Details Textual) - USD ($)				3 Months Ended
	Feb. 06, 2024	Jul. 06, 2022	Feb. 25, 2022	Sep. 30, 2020	Dec. 31, 2022	Dec. 31, 2021
Note receivable, net of allowance				$ 295,000	$ 0	$ 82,000
Receivable with Imputed Interest, Effective Yield (Interest Rate)				5.00%
Accounts Receivable, Allowance for Credit Loss					$ 186,000
Notes Receivable, Periodic Payment		$ 15,000	$ 1,000
Forecast [Member]
Notes Receivable, Periodic Payment	$ 2,000

X

- Definition

The amount of periodic payment of notes receivable.

+ References

No definition available.

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X

- Definition

Amount of allowance for credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(5))
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(4))
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
-Publisher FASB
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Publisher FASB
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

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- Definition

Amortized cost, after allowance for credit loss, of financing receivable classified as current. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
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X

- Definition

Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 835
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482900/835-30-50-1

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