Note 15 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	2022					2021
	Shares			Wtd. Avg. Exercise Price		Shares			Wtd. Avg. Exercise Price
Outstanding as of beginning of year		624,531		$	2.13		844,455		$	2.00
Exercised		(161,646	)		2.00		(183,064	)		1.61
Forfeited		-			-		(1,146	)		5.69
Expired		(6,592	)		3.22		(35,714	)		1.73
Outstanding at end of year		456,293		$	2.17		624,531		$	2.13
Stock options exercisable at year end		456,293		$	2.17		624,531		$	2.13

	2021
	Shares			Wtd. Avg. Exercise Price
Outstanding as of beginning of year		686,001		$	1.64
Exercised		(686,001	)		1.64
Outstanding at end of year		-		$	1.64
Stock options exercisable at year end		-		$	-

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Range of Exercise Prices			Number Outstanding at December 31, 2022		Weighted Average Remaining Contractual Life		Weighted Average Exercise Price
$1.00	-	1.50		2,000		3.85	$	1.49
$1.51	-	2.00		177,500		3.28		1.90
$2.01	-	2.50		255,938		2.35		2.06
$2.51	-	8.60		20,855		4.92		5.69
				456,293		2.84	$	2.16

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

	2022					2021
	Shares			Wtd. Avg. Grant Date Fair Value		Shares			Wtd. Avg. Grant Date Fair Value
Outstanding as of beginning of year		1,212,783		$	37.48		930,854		$	19.31
Granted		1,373,909			25.26		801,484			47.20
Vested		(569,535	)		35.51		(378,502	)		19.31
Forfeited		(137,942	)		40.19		(141,053	)		36.95
Non-vested at year end		1,879,215		$	28.94		1,212,783		$	37.48

	2022					2021
	Shares			Wtd. Avg. Grant Date Fair Value		Shares			Wtd. Avg. Grant Date Fair Value
Outstanding as of beginning of year		139,756		$	19.86		224,774		$	19.20
Granted		349,568			22.66		152,665			32.50
Vested		(218,280	)		10.95		(231,268	)		26.98
Forfeited		-			-		(6,415	)		40.65
Non-vested at year end		271,044		$	30.64		139,756		$	19.86

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

	2022		2021		2020
Research and development costs	$	3,176	$	1,906	$	1,012
Sales and marketing costs		3,649		1,788		852
General and administrative costs		14,066		8,061		3,518
Cost of revenue		4,443		2,201		599
Total	$	25,334	$	13,956	$	5,981