Note 11 - Reserves

12 Months Ended

Dec. 31, 2021

Notes to Financial Statements

SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]

11. RESERVES

Allowance for doubtful accounts for 2021 and 2020 were as follows:

Description	Balance at Beginning of Year		Increase (Decrease)			Balance at End of Year
	(in thousands)
Allowance for Doubtful Accounts
2021	$	220	$	(66	)	$	154
2020	$	35	$	185		$	220