Organization and Summary of Changes in Significant Accounting Policies - Additional Information (Details) $ in Thousands			3 Months Ended
	Dec. 16, 2022 USD ($)	Sep. 15, 2022 USD ($)	Apr. 30, 2023 USD ($) Segment	Jan. 29, 2024 USD ($)	Oct. 10, 2023 USD ($)	Jun. 30, 2023 USD ($)	May 31, 2023 USD ($)	Feb. 27, 2023 USD ($)	Feb. 01, 2023 USD ($)	Jan. 31, 2023 USD ($)	Sep. 14, 2022 USD ($)	Apr. 30, 2022 USD ($)	Jan. 31, 2022 USD ($)
Organization And Summary Of Significant Accounting Policies [Line Items]
Number Of Operating Segments | Segment			1
Cash and cash equivalents			$ 7,544							$ 7,568		$ 31,390	$ 47,673
Collectible receivables			3,451
Accounts payable and accrued expenses			16,800
Accounts payable and accrued liabilities current due to taxing authorities			7,242
Subsequently paid amount			6,335
Convertible Debt			7,553	$ 4,788
Principal amounts owed on related party debt			19,045
Promissory notes issued	$ 8,475
Senior promisory notes principal amount			7,200
Beginning balance of accumulated deficit			(43,153)							(34,724)		16,631	38,443
ASU 2016-13
Organization And Summary Of Significant Accounting Policies [Line Items]
Beginning balance of accumulated deficit										(182)
Common Stock [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Beginning balance of accumulated deficit			11							11		10	9
(Accumulated Deficit)/ Retained Earnings
Organization And Summary Of Significant Accounting Policies [Line Items]
Beginning balance of accumulated deficit			(538,118)							(528,696)		$ (450,854)	$ (417,686)
(Accumulated Deficit)/ Retained Earnings | ASU 2016-13
Organization And Summary Of Significant Accounting Policies [Line Items]
Beginning balance of accumulated deficit									$ (182)	$ (182)
Subsequent Event [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
DIP borrowings outstandng amount				9,999
Subsequent Event [Member] | Term Loan [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
DIP borrowings outstandng amount					$ 8,500
Subsequent Event [Member] | Bridge Loan [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
DIP borrowings outstandng amount				$ 1,499	1,500
DIP by bankruptcy court maximum amount					4,500
Subsequent Event [Member] | Maximum [Member] | Delayed Draw Term Loan Credit Facility [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
DIP delayed-draw term loan credit facility aggregate principal amount					$ 10,000
Securities Purchase Agreement [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Convertible Debt		$ 10,300	7,553								$ 25,750
Interest rate		3.00%
Debt Instrument, Term		18 months
Net of discount for cash proceeds		$ 10,000
Prepaid convertible debt			2,747
Securities Purchase Agreement [Member] | Forecast [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Convertible Debt						$ 4,233	$ 4,233
Prepaid convertible debt						$ 3,320	$ 3,320
C5 Capital Limited [Member]
Organization And Summary Of Significant Accounting Policies [Line Items]
Secured Debt								$ 15,275
Ownership Percentage by beneficial owners								5.00%
Senior secured convertible promissory note principal amount			$ 11,845