Note 16 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	Year Ended December 31,
	2022		2021		2020
Cost of revenue	$	2,640	$	3,477	$	592
Sales and marketing		11,393		15,906		19,973
General and administrative		19,398		24,063		12,916
Research and development		3,787		16,062		286
Total stock-based compensation	$	37,218	$	59,508	$	33,767

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

	2022			2021
Expected term (in years)		6.11			6.11
Expected volatility		45.18	%		43.31	%
Risk-free rate		2.16	%		0.94	%
Dividend yield		—			—

	July 1 2021
Expected term (in years)		4.10
Expected volatility		34.44	%
Risk-free rate		0.79	%
Dividend yield		—

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

	Stock Options			Weighted-Average Exercise Price		Weighted-Average Remaining Contractual Life
Balance, January 1, 2022		30,480,317		$	3.87		2.83
Granted		689,406			5.88		—
Exercised		(1,799,665	)		1.57		—
Forfeited or expired		(202,255	)		4.94		—
Balance, December 31, 2022		29,167,803		$	4.05		6.53

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

			Outstanding						Exercisable
Exercise Price			Stock Options		Weighted-Average Contractual Life		Weighted-Average Exercise Price		Stock Options		Weighted-Average Contractual Life		Weighted-Average Exercise Price
$0.03	-	$1.34		5,964,947		3.68	$	1.28		5,964,947		3.68	$	1.28
$1.52	-	$1.89		5,795,861		4.98		1.59		5,519,215		4.92		1.59
$3.90	-	$9.64		17,406,995		8.01		5.82		7,973,397		7.85		5.17
				29,167,803		6.53	$	4.05		19,457,559		5.74	$	2.96

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Unvested Restricted Stock Units
	Number of Shares			Weighted- Average Grant-Date Fair Value
Unvested as of December 31, 2021		5,167,479		$	9.64
Granted		5,749,764			5.55
Vested		(1,784,993	)		9.42
Forfeited		(739,707	)		7.17
Unvested as of December 31, 2022		8,392,543		$	7.10