Note 1 - Summary of Significant Accounting Policies - Noncurrent Assets By Country (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property and Equipment, Net	$ 6,513	$ 6,408
Operating Lease Assets	6,917	7,850
Deferred Tax Assets	2,641	0
Other Assets	263	422
UNITED STATES
Property and Equipment, Net	4,905	5,109
Operating Lease Assets	4,794	5,381
Deferred Tax Assets	2,641
Other Assets	263	422
MEXICO
Property and Equipment, Net	747	494
Operating Lease Assets	2,123	2,469
Deferred Tax Assets	0
Other Assets	0	0
CHINA
Property and Equipment, Net	861	805
Operating Lease Assets	0	0
Deferred Tax Assets	0
Other Assets	$ 0	$ 0