Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator:
Net loss	$ (16,302)	$ (13,220)	$ (12,367)	$ (14,672)	$ (29,522)	$ (27,039)
Weighted-average number of common shares outstanding - diluted (in shares)	45,462,516		37,065,300		43,475,198	36,318,437
Denominator:
Weighted-average number of common shares – basic (in shares)	45,462,516		37,065,300		43,475,198	36,318,437
Loss per common share – basic (in dollars per share)	$ (0.36)		$ (0.33)		$ (0.68)	$ (0.74)
Loss per common share – diluted (in dollars per share)	$ (0.36)		$ (0.33)		$ (0.68)	$ (0.74)
Options on common shares outstanding
Denominator:
Total potentially antidilutive derivatives excluded from losses per share (in shares)					5,284,447	4,431,267
Restricted stock units unvested
Denominator:
Total potentially antidilutive derivatives excluded from losses per share (in shares)					169,950	7,757
Warrants on common shares outstanding
Denominator:
Total potentially antidilutive derivatives excluded from losses per share (in shares)					10,564,429	1,571,429