Note 8 - Capital Stock and Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Schedule Of Stock Options And Restricted Stock Units Activity Roll forward [Table Text Block]

				Weighted
	Stock			Average		Time-Based					Performance-
	Options			Exercise		RSUs			Grant Date		Based RSUs			Grant Date
	Outstanding			Price		Outstanding			Fair Value		Outstanding			Fair Value
Balance at December 31, 2021		1,404,816		$	3.10		1,141,164		$	3.57		860,155		$	3.13
Granted		-			-		690,051			5.11		205,122			5.92
Exercised		(15,597	)		2.72		-			-		-			-
Vested (RSUs)		-			-		(232,157	)		3.77		(163,223	)		2.98
Cancelled/Forfeited		(29,928	)		2.93		(54,631	)		4.47		(7,823	)		3.18
Balance at June 30, 2022		1,359,291		$	3.11		1,544,427		$	4.19		894,231		$	3.80

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

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2022		2021		2022		2021
Cost of revenues	$	52	$	31	$	88	$	51
Sales and marketing expenses		192		131		346		224
General and administrative expenses		923		969		1,714		1,803
Research and development expenses		72		33		114		54
Total stock-based compensation expenses	$	1,239	$	1,164	$	2,262	$	2,132

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2022		2021		2022		2021
Basic		41,304		40,152		41,256		39,960
Dilutive effect of equity awards		1,256		-		-		-
Diluted		42,560		40,152		41,256		39,960

Black Scholes Option Pricing Model [Member]

Notes Tables

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2022
Volatility		65.1	%
Risk-free interest rate		1.4	%
Correlation coefficient		38.5	%
Dividend yield		-	%