Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Beginning Balance at Dec. 31, 2020	$ 3	$ 247,417	$ (228,234)	$ 19,186
Beginning Balance, (in shares) at Dec. 31, 2020	945,276
Share-based compensation expense		52		52
Net loss			(2,223)	(2,223)
Issuance of common stock upon exercise of warrants		8,509		8,509
Issuance of common stock upon exercise of warrants (in shares)	425,317
Ending Balance at Mar. 31, 2021	$ 3	255,978	(230,457)	25,524
Ending Balance, (in shares) at Mar. 31, 2021	1,370,593
Beginning Balance at Dec. 31, 2020	$ 3	247,417	(228,234)	19,186
Beginning Balance, (in shares) at Dec. 31, 2020	945,276
Issuance of common stock upon vesting of restricted stock units (in shares)	2
Net loss				(6,983)
Ending Balance at Sep. 30, 2021	$ 3	256,158	(235,217)	20,944
Ending Balance, (in shares) at Sep. 30, 2021	1,370,595
Beginning Balance at Mar. 31, 2021	$ 3	255,978	(230,457)	25,524
Beginning Balance, (in shares) at Mar. 31, 2021	1,370,593
Share-based compensation expense		95		95
Issuance of common stock upon vesting of restricted stock units (in shares)	2
Net loss			(2,309)	(2,309)
Ending Balance at Jun. 30, 2021	$ 3	256,073	(232,766)	23,310
Ending Balance, (in shares) at Jun. 30, 2021	1,370,595
Share-based compensation expense		85		85
Net loss			(2,451)	(2,451)
Ending Balance at Sep. 30, 2021	$ 3	256,158	(235,217)	20,944
Ending Balance, (in shares) at Sep. 30, 2021	1,370,595
Beginning Balance at Dec. 31, 2021	$ 3	256,241	(238,129)	$ 18,115
Beginning Balance, (in shares) at Dec. 31, 2021	1,370,595			1,370,595
Share-based compensation expense		56		$ 56
Net loss			(2,655)	(2,655)
Ending Balance at Mar. 31, 2022	$ 3	256,297	(240,784)	15,516
Ending Balance, (in shares) at Mar. 31, 2022	1,370,595
Beginning Balance at Dec. 31, 2021	$ 3	256,241	(238,129)	$ 18,115
Beginning Balance, (in shares) at Dec. 31, 2021	1,370,595			1,370,595
Fractional shares issued due to 1 for 25 reverse stock split	20,619
Forfeiture of restricted stock				(54)
Net loss				$ (8,129)
Ending Balance at Sep. 30, 2022	$ 3	256,351	(246,258)	$ 10,096
Ending Balance, (in shares) at Sep. 30, 2022	1,391,160			1,391,160
Beginning Balance at Mar. 31, 2022	$ 3	256,297	(240,784)	$ 15,516
Beginning Balance, (in shares) at Mar. 31, 2022	1,370,595
Share-based compensation expense		17		17
Fractional shares issued due to 1 for 25 reverse stock split (in shares)	20,619
Forfeiture of restricted stock	(54)
Net loss			(2,719)	(2,719)
Ending Balance at Jun. 30, 2022	$ 3	256,314	(243,503)	12,814
Ending Balance, (in shares) at Jun. 30, 2022	1,391,160
Share-based compensation expense		37		37
Net loss			(2,755)	(2,755)
Ending Balance at Sep. 30, 2022	$ 3	$ 256,351	$ (246,258)	$ 10,096
Ending Balance, (in shares) at Sep. 30, 2022	1,391,160			1,391,160