Note 11 - Fair Value Measurements - Schedule Of Assets And Liabilities Measured At Fair Value On A Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Secured Contingent Payment Obligation [Member]
Liabilities	$ 39,010	$ 39,650
Secured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 1 [Member]
Liabilities	0	0
Secured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 2 [Member]
Liabilities	0	0
Secured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 3 [Member]
Liabilities	39,010	39,650
Unsecured Contingent Payment Obligation [Member]
Liabilities	5,753	6,439
Unsecured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 1 [Member]
Liabilities	0	0
Unsecured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 2 [Member]
Liabilities	0	0
Unsecured Contingent Payment Obligation [Member] \| Fair Value, Inputs, Level 3 [Member]
Liabilities	$ 5,753	$ 6,439