Note 11 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Share-based Payment Arrangement, Option, Activity [Table Text Block]

			Weighted-
	Common		Average		Aggregate
	Shares		Exercise Price		Intrinsic Value
Outstanding at beginning of period		90	$	20.34
Granted		—		—
Exercised		—		—
Expired		—		—
Forfeited		—		—
Outstanding at end of period		90	$	20.34	$	542
Exercisable at end of period		14	$	20.34	$	81

Schedule of Share Based Compensation Additional Stock Options Activity [Table Text Block]

	2021		2020		2019
Total intrinsic value of stock options exercised	$	—	$	—	$	277
Cash proceeds from exercise of stock options	$	—	$	—	$	214

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

				Weighted-
	Number of			Average Grant Date		Aggregate
	RSU’s			Fair Value		Intrinsic Value
Outstanding at beginning of period		299		$	24.95
Granted		173			24.09
Vested		(92	)		24.82
Forfeited		(15	)		24.57
Outstanding at end of period		365		$	24.59	$	9,626

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Years Ended December 31,
	2021		2020		2019
Cost of revenues (excluding depreciation and amortization)	$	944	$	41	$	699
Product development		1,164		363		956
Sales and marketing		759		199		614
Other general and administrative		2,436		1,614		1,975
Total stock-based compensation expense	$	5,303	$	2,217	$	4,244