Stockholders' Equity - Stock Option Activity (Details)	9 Months Ended
	Sep. 30, 2022 USD ($) $ / shares shares
Shares
Stock options outstanding at beginning of period | shares	2,954,315
Granted | shares	204,050
Expired | shares	(40,375)
Forfeited | shares	(111,022)
Stock options outstanding at end of period | shares	3,006,968
Stock options exercisable at end of period | shares	1,580,965
Weighted Average Exercise Price
Stock options outstanding at beginning of period (in dollars per share) | $ / shares	$ 7.62
Granted (in dollars per share) | $ / shares	2.79
Expired (in dollars per share) | $ / shares	12.72
Forfeited | $ / shares	4.71
Stock options outstanding at end of period (in dollars per share) | $ / shares	7.34
Stock options exercisable at end of period | $ / shares	$ 10.00
Aggregate Intrinsic Value
Stock options outstanding at end of period | $	$ 42,330
Stock options exercisable at end of period | $	$ 42,330
Weighted Average Remaining Contractual Life
Stock options outstanding at end of period	8 years 3 months 18 days
Stock options exercisable at end of period	7 years 7 months 6 days
Unrecognized stock-based compensation expense | $	$ 3,700,000
Unrecognized stock-based compensation expense, recognition period	1 year 3 months 18 days