Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenue	$ 6	$ 20
Operating expenses:
Cost of goods sold	127	207
Selling, general and administrative	6,089	11,014
Research and development	3,909	5,259
Total operating expenses	10,125	16,480
Loss from operations	(10,119)	(16,460)
Other income (expense):
Change in fair value of warrant liability	2,466
Other income (expense), net	9	45
Interest income	289	24
Interest expense	(446)
(Loss) gain on foreign currency exchange	(18)	2
Total other income (expense), net	2,300	71
Net Loss	(7,819)	(16,389)
Other comprehensive loss
Unrealized gain on marketable securities	1
Comprehensive loss	$ (7,818)	$ (16,389)
Per share information:
Net loss per share of common stock, basic (in dollars per share)	$ (0.81)	$ (2.48)
Net loss per share of common stock, diluted (in dollars per share)	$ (0.81)	$ (2.48)
Weighted average common shares outstanding, basic (in shares)	9,594,072	6,620,800
Weighted average common shares outstanding, diluted (in shares)	9,594,072	6,620,800
Product revenue
Revenue:
Total revenue	$ 6
License revenue
Revenue:
Total revenue		$ 20