Note K - Domestic and Foreign Revenues (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

	Three Months Ended March 31,
	2023		2022
Canada	$	43	$	33
India		23		31
France		4		125
Romania		—		35
All other foreign countries		7		42
Total foreign revenues	$	77	$	266
Total domestic revenue	$	364	$	151