Note 7 - Prepaid Expenses and Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule Of Prepaid Expenses And Other Current Assets [Table Text Block]

	December 31
	2021		2020
Prepaid expenses	$	712	$	724
Other receivable (Note 11)		514		1,482
VAT refunds receivable		509		1
Payment in advance		269		216
Interest receivable		55		101
Other		28		24
Total	$	2,087	$	2,548