Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit
Balance (in shares) at Dec. 31, 2021		20,895,000
Balance at Dec. 31, 2021	$ 136,406	$ 2	$ 279,089	$ 0	$ (142,685)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	1,781		1,781
Issuance of common stock upon exercise of warrants (in shares)		7,000
Issuance of common stock upon exercise of warrants	54		54
Issuance of common stock upon exercise of stock options (in shares)		40,000
Issuance of common stock upon exercise of stock options	244		244
Net loss	(13,857)				(13,857)
Balance (in shares) at Mar. 31, 2022		20,942,000
Balance at Mar. 31, 2022	124,628	$ 2	281,168	0	(156,542)
Balance (in shares) at Dec. 31, 2022		24,435,000
Balance at Dec. 31, 2022	158,378	$ 2	361,689	(115)	(203,198)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Share-based compensation expense	$ 2,740		2,740
Issuance of common stock upon exercise of warrants (in shares)		2,000
Issuance of common stock upon exercise of stock options (in shares)	1,983
Issuance of common stock upon exercise of stock options	$ 8		8
Other comprehensive income	83			83
Net loss	(15,223)				(15,223)
Balance (in shares) at Mar. 31, 2023		24,437,000
Balance at Mar. 31, 2023	$ 145,986	$ 2	$ 364,437	$ (32)	$ (218,421)