Note D - Fair Value Measurements - Schedule of Assets and Liabilities Measured on Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Total Assets	$ 3,041	$ 1,248
Total Liabilities	(1,626)	(2,258)
Interest Rate Swap [Member]
Interest rate swap	1,723	0
Derivative Liability		(529)
Sale Option [Member]
Derivative Liability	(1,258)	(1,258)
Stock Warrant Obligations [Member]
Derivative Liability	(368)	(471)
Fair Value, Inputs, Level 1 [Member]
Total Assets	0	0
Total Liabilities	0	0
Fair Value, Inputs, Level 1 [Member] | Interest Rate Swap [Member]
Interest rate swap	0	0
Derivative Liability		0
Fair Value, Inputs, Level 1 [Member] | Sale Option [Member]
Derivative Liability	0	0
Fair Value, Inputs, Level 1 [Member] | Stock Warrant Obligations [Member]
Derivative Liability	0	0
Fair Value, Inputs, Level 2 [Member]
Total Assets	3,041	1,248
Total Liabilities	0	(529)
Fair Value, Inputs, Level 2 [Member] | Interest Rate Swap [Member]
Interest rate swap	1,723	0
Derivative Liability		(529)
Fair Value, Inputs, Level 2 [Member] | Sale Option [Member]
Derivative Liability	0	0
Fair Value, Inputs, Level 2 [Member] | Stock Warrant Obligations [Member]
Derivative Liability	0	0
Fair Value, Inputs, Level 3 [Member]
Total Assets	0	0
Total Liabilities	(1,626)	(1,729)
Fair Value, Inputs, Level 3 [Member] | Interest Rate Swap [Member]
Interest rate swap	0	0
Derivative Liability		0
Fair Value, Inputs, Level 3 [Member] | Sale Option [Member]
Derivative Liability	(1,258)	(1,258)
Fair Value, Inputs, Level 3 [Member] | Stock Warrant Obligations [Member]
Derivative Liability	(368)	(471)
Money Market Funds [Member]
Cash equivalents—money market	1,318	1,248
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
Cash equivalents—money market	0	0
Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]
Cash equivalents—money market	1,318	1,248
Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]
Cash equivalents—money market	$ 0	$ 0