Subsequent Events (Details) - USD ($)		1 Months Ended
	Jan. 19, 2022	Sep. 30, 2019	Feb. 21, 2022	Jan. 10, 2022	Dec. 31, 2021	Nov. 23, 2021	May 14, 2020
Subsequent Events
Common stock, par value per share (in dollars per share)					$ 0.0001
ATM offering Agreement
Subsequent Events
Maximum Aggregate Offering Price		$ 25,000,000.0					$ 22,000,000.0
Maximum commission (as a percent)		3.00%
Subsequent event | Cantor Fitzgerald & Co | ATM offering Agreement
Subsequent Events
Maximum Aggregate Offering Price				$ 25,000,000.0
Subsequent event | Virtu Americas LLC. | ATM offering Agreement
Subsequent Events
Maximum Aggregate Offering Price	$ 25,000,000.0
Maximum commission (as a percent)	3.00%
Common stock, par value per share (in dollars per share)	$ 0.0001
Note Purchase Agreement | Secured Promissory Note [Member] | Streeterville Capital, LLC
Subsequent Events
Aggregate principal amount						$ 5,250,000
Note Purchase Agreement | Subsequent event | Secured Promissory Note [Member] | Streeterville Capital, LLC
Subsequent Events
Aggregate principal amount			$ 5,250,000