Note 4 - Cash and Cash Equivalents (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Cash and Cash Equivalents [Table Text Block]

	December 31
	2021		2020
Time deposits	$	7,669	$	6,513
Savings and checking accounts		12,916		12,045
Money market funds		170		171
Petty cash		25		23
Total	$	20,780	$	18,752