Note 16 - Domestic and Foreign Revenues (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Year Ended December 31,
	2023		2022
Spain	$	330	$	65
Canada		137		54
France		33		142
Romania		—		100
All other foreign countries		175		99
Total foreign revenues	$	675	$	460
Total domestic revenues	$	1,053	$	1,195