Note 12 - Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]

		December 31,
	Balance Sheet Classification	2021		2020
Derivative assets:
Foreign currency forward contracts:
Designated as cash flow hedges	Other current assets	$	57	$	-
Not designated as hedging instruments	Other current assets		-		12
Total derivative assets		$	57	$	12
Derivative liabilities:
Foreign currency forward contracts:
Not designated as hedging instruments	Other current liabilities	$	19	$	-
Interest rate swap agreements:
Designated as a cash flow hedge	Other long-term liabilities		116		-
Total derivative liabilities		$	135	$	-

Derivative Instruments, Gain (Loss) [Table Text Block]

	December 31,
	2021			2020
Net gains (losses) recognized in AOCL:
Foreign currency forward contracts	$	57		$	-
Interest rate swap agreements		(116	)		-
	$	(59	)	$	-

The gain related to the foreign currency forward contracts is included as a component of currency translation adjustment on the accompanying statement of other comprehensive income at December 31, 2021.  The loss related to the interest rate swap agreements is included as a component of unrealized holding (losses) gains on marketable securities on the accompanying statement of other comprehensive income at December 31, 2021.  There were no net gains (losses) reclassified from AOCL to the consolidated statements of operations during 2021 or 2020.

Derivatives Not Designated as Hedging Instruments [Table Text Block]

		Year Ended December 31,
	Classification in Consolidated Statements of Operations	2021		2020
Foreign currency forward contracts	Other (expense) income, net	$	62	$	134
Interest rate swap agreements	Other (expense) income, net		-		-
		$	62	$	134