Note 5 - Other Current Receivables (Details Textual) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024	Nov. 30, 2024
Other Receivables, Net, Current	$ 5,165	$ 5,143
Non-qualified Deferred Compensation Plan [Member]
Royalty Receivable	1,300	$ 1,100
Other Receivables, Net, Current	$ 1,100		$ 1,400

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

No definition available.

Name:	us-gaap_OtherReceivablesNetCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant