Condensed Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues	$ 9,056	$ 6,548
Operating expenses:
Direct costs and expenses	3,169	3,235
Research and development	3,251	3,206
Sales, marketing, general and administrative	18,989	14,487
Impairment loss on intangible assets	20	81
Total operating expenses	25,429	21,009
Loss from operations	(16,373)	(14,461)
Other (expense) income:
Interest expense	(2,391)	(1,137)
Change in fair value of warrant liability	61
Other income, net	1	12
Total other expense	(2,329)	(1,125)
Net loss	$ (18,702)	$ (15,586)
Net loss per share, basic	$ (0.24)	$ (0.50)
Net loss per share, diluted	$ (0.24)	$ (0.50)
Weighted-average shares outstanding, basic	77,765	31,070
Weighted-average shares outstanding, diluted	77,765	31,070