Common Stock (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Feb. 28, 2023	Jun. 30, 2023	Mar. 31, 2023	Mar. 31, 2022
Class of Warrant or Right [Line Items]
Common shares issued for extinguishment of debt (in shares)			1,547,234
Shares issued for cash / offering		$ 5,417	$ 14,966	$ 1,500
Streeterville Capital, LLC | Exchange Agreement
Class of Warrant or Right [Line Items]
Common shares issued for extinguishment of debt (in shares)		7,349,420	935,976
Notes reduction		$ 2,000	$ 500
Additional Paid-in Capital
Class of Warrant or Right [Line Items]
Common shares issued for extinguishment of debt			$ 1,400
Shares issued for cash / offering				$ 1,500
September 2021 Warrants
Class of Warrant or Right [Line Items]
Common shares issued for extinguishment of debt (in shares)	232,675
Shares issued for cash / offering (in shares)	76,794		324,918
March 2022 Warrants
Class of Warrant or Right [Line Items]
Common shares issued for extinguishment of debt (in shares)	751,867
Shares issued for cash / offering (in shares)	248,124		324,918
ATM
Class of Warrant or Right [Line Items]
Shares issued for cash / offering (in shares)		19,326,522	9,655,207
Sale of stock, consideration received on transaction		$ 5,600	$ 15,400
Sale of stock, consideration received, net of offering cost		$ 5,400	$ 15,000
ATM | Minimum
Class of Warrant or Right [Line Items]
Share price (in usd per share)		$ 0.200034	$ 1.15
ATM | Maximum
Class of Warrant or Right [Line Items]
Share price (in usd per share)		$ 0.54	1.86
Registered Direct Offering | Warrants
Class of Warrant or Right [Line Items]
Exercise price of warrants (in usd per share)			$ 0.001
Registered Direct Offering | Pre-Funded Warrants
Class of Warrant or Right [Line Items]
Shares issued for cash / offering (in shares)			1,380,000
Registered Direct Offering | Pre-Funded Warrants | Warrants
Class of Warrant or Right [Line Items]
Warrants exercised for common shares (in shares)			1,380,000