Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Sales, net	$ 67,449	$ 59,257
Cost of sales	25,959	23,983
Gross profit	41,490	35,274
Operating expenses:
Sales and marketing	28,352	20,948
Research and development	3,832	3,415
General and administrative	36,379	30,765
Total operating expenses	68,563	55,128
Operating loss	(27,073)	(19,854)
Interest expense, net	(55)	(71)
Net loss	$ (27,128)	$ (19,925)
Basic loss per common share (in dollars per share)	$ (0.40)	$ (0.33)
Diluted loss per common share (in dollars per share)	$ (0.40)	$ (0.33)
Basic weighted average common shares outstanding (in shares)	67,185	61,067
Diluted weighted average common shares outstanding (in shares)	67,185	61,067