Condensed Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	At The Market Offering [Member]	Common Stock [Member]	Common Stock [Member] At The Market Offering [Member]	Additional Paid-in Capital [Member]	Additional Paid-in Capital [Member] At The Market Offering [Member]	Accumulated Deficit [Member]
Beginning Balance at Dec. 31, 2020	$ 61,427		$ 3		$ 161,415		$ (99,991)
Beginning Balance, Shares at Dec. 31, 2020			31,775,748
Vesting of restricted stock, Shares			31,372
Issuance of common stock related to at-the-market offerings, net of issuance costs		$ 2,091				$ 2,091
Issuance of common stock, Shares				251,086
Stock-based compensation expense	989				989
Net loss	(10,282)						(10,282)
Ending Balance at Mar. 31, 2021	54,225		$ 3		164,495		(110,273)
Ending Balance, Shares at Mar. 31, 2021			32,058,206
Beginning Balance at Dec. 31, 2021	30,727		$ 3		170,744		(140,020)
Beginning Balance, Shares at Dec. 31, 2021			32,952,306
Vesting of restricted stock, Shares			10,427
Stock-based compensation expense	846				846
Net loss	(6,662)						(6,662)
Ending Balance at Mar. 31, 2022	$ 24,911		$ 3		$ 171,590		$ (146,682)
Ending Balance, Shares at Mar. 31, 2022			32,962,733