Equity and Stock-Based Compensation (Issuance Activity Under the SEDA) (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended		9 Months Ended	14 Months Ended
	Apr. 21, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2022	Jun. 30, 2022	Mar. 31, 2022
Private Placement, Shares Sold \| Lincoln Park
Class of Stock [Line Items]
Common shares issued/sold (in shares)		0	766,000	0	766,000
Private Placement, Additional Commitment Shares \| Lincoln Park
Class of Stock [Line Items]
Common shares issued/sold (in shares)		0	15,000	0	15,000
Private Placement \| Lincoln Park
Class of Stock [Line Items]
Common shares issued/sold (in shares)	15,000	0	781,000	0	781,000		766,000
Proceeds received		$ 0	$ 4,217	$ 0	$ 4,217		$ 4,200
Private Placement \| YA
Class of Stock [Line Items]
Common shares issued/sold (in shares)		0	500,000	0	1,700,000			1,700,000
Proceeds received		$ 0	$ 2,993	$ 0	$ 10,000			$ 10,000
July 2021 Equity Distribution Agreements
Class of Stock [Line Items]
Common shares issued/sold (in shares)		0		0		4,700,000
Gross proceeds received		$ 0		$ 0		$ 24,000
Commissions		0		0
Proceeds received		$ 0		$ 0