Condensed Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2021	$ 208,211	$ 7	$ 685,006	$ (45)	$ (476,757)
Beginning balance, units at Dec. 31, 2021		7,499,905
Equity-based compensation	2,612		2,612
Exercise of pre-funded warrants	22		22
Vesting of restricted stock, units		18,845
Unrealized gain (loss) on available-for-sale securities	(6)			(6)
Net loss	(25,328)				(25,328)
Ending balance at Mar. 31, 2022	185,511	$ 7	687,640	(51)	(502,085)
Ending balance, units at Mar. 31, 2022		7,518,750
Beginning balance at Dec. 31, 2022	211,666	$ 20	774,452	(68)	(562,738)
Beginning balance, units at Dec. 31, 2022		19,556,732
Equity-based compensation	2,118		2,118
Vesting of restricted stock, units		16,400
Unrealized gain (loss) on available-for-sale securities	73			73
Net loss	(30,070)				(30,070)
Ending balance at Mar. 31, 2023	$ 183,787	$ 20	$ 776,570	$ 5	$ (592,808)
Ending balance, units at Mar. 31, 2023		19,573,132