Stock-Based Compensation - Narratives (Details) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2022 USD ($) item shares	Sep. 30, 2022 USD ($) item $ / shares shares
Stock-Based Compensation
Number of equity incentive plans | item	2	2
Aggregate intrinsic value of outstanding options	$ 1,200	$ 1,200
Aggregate intrinsic value of exercisable options	1,200	1,200
Aggregate intrinsic value of exercisable options	$ 1	$ 11
Stock Options
Stock-Based Compensation
Weighted average grant date fair value, Options (per share) | $ / shares		$ 6.61
Inducement grants | shares	312,075	312,075
Unrecognized compensation expense	$ 5,400	$ 5,400
Weighted average period for recognition of unrecognized expenses		2 years 6 months
Restricted stock units
Stock-Based Compensation
Vesting period		4 years
Weighted average grant date fair value, Equity Instruments (per share) | $ / shares		$ 11.30
Aggregate intrinsic value	2,600	$ 2,600
Unrecognized compensation expense	$ 2,800	$ 2,800
Weighted average period for recognition of unrecognized expenses		2 years 10 months 24 days
2019 Equity Incentive Plan
Stock-Based Compensation
Shares available for future issuance | shares	989,491	989,491
Potential Common Shares Added Annually To Equity Plan Evergreen Option | shares	432,442	432,442
Potential Common Shares Added Annually To Equity Plan Evergreen Option, Percentage Of Shares Outstanding Last Day Of Fiscal Year	4.00%	4.00%
2019 Equity Incentive Plan | Stock Options
Stock-Based Compensation
Vesting period		4 years
Vesting term		10 years