Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Statement [Abstract]
Revenues	$ 45,557	$ 24,552
Operating expenses:
Direct costs and expenses	21,998	6,074
Research and development	10,818	10,468
Sales, marketing, general and administrative	34,857	30,637
Change in fair value of contingent consideration	818	4,114
Total operating expenses	68,491	51,293
Loss from operations	(22,934)	(26,741)
Other income (expense):
Interest income	18	55
Interest expense	(7,604)	(3,008)
Change in fair value of warrant liability	(1,252)	(104)
Change in fair value of put option liability		(2,000)
Other income, net	422	1,072
Total other expense	(8,416)	(3,985)
Net loss	$ (31,350)	$ (30,726)
Net loss per share, basic and diluted	$ (6.48)	$ (126.97)
Weighted-average shares outstanding, basic and diluted	4,838	242