Stockholders' Equity - Outstanding Warrants from the January 2020 Equity Offering (Details) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2021	Jan. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)			229,414	310,860
January 2020 Equity Offering
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	229,414	310,860
Exercise price of common stock (USD per share)	$ 3.67	$ 3.59	$ 3.67	$ 3.59
Investor Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	187,734	269,180
Sale of common stock (USD per share)					$ 5.05
Exercise price of common stock (USD per share)						$ 3.37
January 2020 Institutional Investor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Sale of common stock (USD per share)						3.3700
January 2020 Equity Offering, Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants issued (in shares)	41,680	41,680
Exercise price of common stock (USD per share)						$ 4.9940