Net Loss Per Share Available to Common Stockholders - Schedule of Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Numerator:
Net loss available to common stockholders	$ (12,944)	$ (14,051)
Denominator:
Weighted average number of shares, basic and diluted	12,846	7,344
Net loss per share available to common stockholders:
Basic and diluted net loss per common share available to common stockholders	$ (1.01)	$ (1.91)