Restructuring - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended					3 Months Ended
	Apr. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Apr. 30, 2021	Dec. 31, 2020	Mar. 31, 2022	Mar. 31, 2021	Jun. 30, 2020
Restructuring Cost and Reserve [Line Items]
Restructuring recovery						$ 0	$ (19)
Purchase price				$ 1,500
Stockholders' equity		$ 6,209			$ 4,255	$ 3,432	$ 3,278	$ 1,714
Warrant liability - modification					$ 1,400
Subsequent Event
Restructuring Cost and Reserve [Line Items]
Purchase price	$ 1,800
December 2021 Private Placement
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of common stock and warrants		$ 4,000
Investor Warrants
Restructuring Cost and Reserve [Line Items]
Proceeds from sale of common stock and warrants			$ 4,500