Capital Structure - Stock Offerings (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Aug. 11, 2022	Sep. 30, 2022	Sep. 30, 2021	Mar. 07, 2022	Sep. 28, 2021	Jun. 04, 2021	Jun. 08, 2020
Subsidiary, Sale of Stock [Line Items]
Proceeds from issuance of stock		$ 10,416	$ 307
Share price (in dollars per share)				$ 1.25
Shelf Registration Statement, 2020 Shelf
Subsidiary, Sale of Stock [Line Items]
Shelf registration, amount authorized							$ 100,000
Shelf registration, remaining amount available for sale		43,000
Shelf Registration Statement, 2020 Shelf, At-the-market Sales Agreement
Subsidiary, Sale of Stock [Line Items]
At-the-market sales agreement, amount authorized						$ 30,000
At-the-market sales agreement, remaining amount available for sale		$ 11,800
Issuance of common stock (in shares)		628,138
Proceeds from issuance of stock		$ 400
Shelf Registration Statement, 2021 Shelf
Subsidiary, Sale of Stock [Line Items]
Shelf registration, amount authorized					$ 100,000
Shelf registration, remaining amount available for sale		$ 82,400
Shelf Registration Statement, 2021 Shelf, Underwritten Public Offering, August 2022
Subsidiary, Sale of Stock [Line Items]
Issuance of common stock (in shares)	21,505,814
Proceeds from issuance of common stock and warrants	$ 10,000
Underwriting discounts, commissions, and other offering expenses	900
Proceeds from issuance of common stock and warrants, net of issuance costs	$ 9,100