STOCK-BASED AWARDS (Tables)

12 Months Ended

Dec. 31, 2021

Share-based Payment Arrangement [Abstract]

Share-based Payment Arrangement, Expensed and Capitalized, Amount

Stock-based compensation expense was as follows (in thousands):

	Years ended December 31,
	2021		2020		2019
Cost of goods sold	$	102	$	169	$	212
Sales and marketing	987		799		1,915
Technology	3,799		1,654		5,245
General and administrative	6,245		5,219		8,788
Total stock-based compensation expense	$	11,133	$	7,841	$	16,160

Summary of restricted stock award activity

The following table summarizes restricted stock award activity (in thousands, except fair value data):

	2021			2020			2019
	Units	Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value		Units	Weighted Average Grant Date Fair Value
Outstanding—beginning of year	639	$	17.98	1,051	$	26.22	559	$	44.08
Granted at fair value	415	92.29		484	10.39		982	17.80
Vested	(294)	24.88		(710)	23.58		(270)	34.92
Forfeited	(97)	52.26		(186)	23.43		(220)	23.36
Outstanding—end of year	663	$	56.37	639	$	17.98	1,051	$	26.22