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Note N - Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Total liabilities	$ 21,304	$ 23,362
Total assets	41,721	24,688
US Treasury Securities [Member]
Total assets	35,711	24,688
Corporate Bond Securities [Member]
Total assets	6,010
Fair Value, Inputs, Level 1 [Member]
Total liabilities	0	0
Total assets	35,711	24,688
Fair Value, Inputs, Level 1 [Member] | US Treasury Securities [Member]
Total assets	35,711	24,688
Fair Value, Inputs, Level 1 [Member] | Corporate Bond Securities [Member]
Total assets	0
Fair Value, Inputs, Level 2 [Member]
Total liabilities	0	0
Total assets	6,010	0
Fair Value, Inputs, Level 2 [Member] | US Treasury Securities [Member]
Total assets	0	0
Fair Value, Inputs, Level 2 [Member] | Corporate Bond Securities [Member]
Total assets	6,010
Fair Value, Inputs, Level 3 [Member]
Total liabilities	21,304	23,362
Total assets	0	0
Fair Value, Inputs, Level 3 [Member] | US Treasury Securities [Member]
Total assets	0	0
Fair Value, Inputs, Level 3 [Member] | Corporate Bond Securities [Member]
Total assets	0
CVR Liability [Member] | Derivative Financial Instruments, Liabilities [Member]
Total liabilities	3,500	7,262
CVR Liability [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 1 [Member]
Total liabilities	0	0
CVR Liability [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 2 [Member]
Total liabilities	0	0
CVR Liability [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 3 [Member]
Total liabilities	3,500	7,262
Warrants [Member] | Derivative Financial Instruments, Liabilities [Member]
Total liabilities	17,804	16,100
Warrants [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 1 [Member]
Total liabilities	0	0
Warrants [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 2 [Member]
Total liabilities	0	0
Warrants [Member] | Derivative Financial Instruments, Liabilities [Member] | Fair Value, Inputs, Level 3 [Member]
Total liabilities	$ 17,804	$ 16,100

X

- Definition

Fair value portion of asset recognized for present right to economic benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 100
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482078/820-10-55-100

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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X

- Definition

Fair value of financial and nonfinancial obligations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Section 50
-Paragraph 2
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482106/820-10-50-2

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