Basic and Diluted Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (3,810)	$ (5,981)	$ (8,156)	$ (9,343)
Weighted average shares outstanding
Weighted average basic shares outstanding	3,928,704	2,317,389	3,858,676	2,179,878
Weighted average diluted shares outstanding	3,928,704	2,317,389	3,858,676	2,179,878
Loss per share attributable to common stock, basic	$ (0.97)	$ (2.58)	$ (2.11)	$ (4.29)
Loss per share attributable to common stock, diluted	$ (0.97)	$ (2.58)	$ (2.11)	$ (4.29)
Other disclosures
Common stock equivalents outstanding, excluded from computation of diluted loss per share	1,684,609	1,233,230	1,684,609	1,233,230