Net Loss per Share - Calculation (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
Net Loss Per Share
Net loss	$ (1,345)	$ (382)	$ (3,522)	$ (1,256)
Less: preferred stock dividends	(18)		(18)
Net loss attributable to common stockholders	$ (1,363)	$ (382)	$ (3,540)	$ (1,256)
Weighted Average Number of Shares Outstanding, Basic	11,230,525	9,688,407	10,996,996	9,411,611
Weighted Average Number of Shares Outstanding, Diluted	11,230,525	9,688,407	10,996,996	9,411,611
Earnings Per Share, Basic	$ (0.12)	$ (0.04)	$ (0.32)	$ (0.13)
Earnings Per Share, Diluted	$ (0.12)	$ (0.04)	$ (0.32)	$ (0.13)