Stockholders' Deficit - Additional Information (Details)												1 Months Ended	3 Months Ended		4 Months Ended	6 Months Ended
	Nov. 08, 2022 shares	Sep. 20, 2022 USD ($) warrant $ / shares shares	Sep. 01, 2022 shares	Aug. 12, 2022 USD ($) $ / shares shares	Jul. 19, 2022 shares	Jul. 14, 2022 USD ($) multiple $ / shares shares	Jan. 26, 2022 USD ($) $ / shares shares	Oct. 22, 2021 shares	Aug. 13, 2021 $ / shares shares	Jun. 05, 2020 shares	Jun. 04, 2020 USD ($) shares	Sep. 30, 2022 USD ($)	Feb. 28, 2023 USD ($) $ / shares shares	Feb. 28, 2022 USD ($)	Nov. 30, 2020 shares	Feb. 28, 2023 USD ($) $ / shares shares	Feb. 28, 2022 USD ($)	Jan. 31, 2023 USD ($)	Aug. 31, 2022 USD ($) $ / shares shares	Jan. 28, 2022 shares	Sep. 03, 2021 shares	May 17, 2021 $ / shares shares	Mar. 31, 2021 shares	Mar. 30, 2021 shares	Jan. 31, 2020 shares	Sep. 30, 2016 $ / shares shares
Class of Warrant or Right [Line Items]
Preferred stock, par or stated value per share (in dollars per share) | $ / shares													$ 0.0001			$ 0.0001			$ 0.0001							$ 0.0001
Convertible preferred stock, shares issued upon conversion (in shares)																										1
Number of options available for grant to founder shareholders (in shares)																							30,000	2,500
Share-based compensation arrangement by share-based payment award, options, forfeitures in period (in shares)																1,750
Preferred options outstanding (in shares)													10,003			10,003			11,753
Share-based compensation arrangement by share-based payment award, expiration period																10 years
Options forfeited (in shares)																716
Decrease in employee related liabilities | $																$ (4,871,000)	$ (3,297,000)
Preferred stock preferential dividend | $													$ 0	$ 0		$ 127,145,000	0
Common stock, par or stated value per share (in dollars per share) | $ / shares													$ 0.0001			$ 0.0001			$ 0.0001
Exercise price of warrants (in dollars per share) | $ / shares													$ 33.61			$ 33.61			$ 47.99
Class of warrant or right, outstanding (in shares)													1,252,749			1,252,749			522,786
Payments of stock issuance costs | $																$ 0	3,502,000
Change in fair value due to warrant modification | $																0	13,728,000
Prefunded warrants from private placement, net of offering costs | $																	6,861,000
Additional paid-in capital | $													$ 168,193,000			168,193,000			$ 151,731,000
Deemed dividend from change in fair value from warrants modification | $													$ 0	$ 7,731,000		$ 0	$ 7,731,000
John Stephen Holmes Bankruptcy Litigation
Class of Warrant or Right [Line Items]
Loss contingency, damages sought (in shares)	12,500,000
Common Stock Warrants
Class of Warrant or Right [Line Items]
Class of warrant or right, deemed dividend | $		$ 106,000
Existing Warrants
Class of Warrant or Right [Line Items]
Warrants to acquire shares of common stock (in shares)																						49,484
Exercise price of warrants (in dollars per share) | $ / shares																						$ 242.50
Change in fair value due to warrant modification | $							$ 640,000
Investor Warrants
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares							$ 120.00
Jan 2022 Common Warrants
Class of Warrant or Right [Line Items]
Warrants to acquire shares of common stock (in shares)							98,969
Exercise price of warrants (in dollars per share) | $ / shares							$ 155.00
Class of warrant or right, number of securities called by each warrant or right (in shares)							2
Proceeds from private placement prefunded warrants, net of offering costs | $							$ 5,900,000
Payments of stock issuance costs | $							500,000
Change in fair value due to warrant modification | $							12,600,000
Prefunded warrants from private placement, net of offering costs | $							5,500,000
Additional paid-in capital | $							5,500,000
Deemed dividend from change in fair value from warrants modification | $							$ 7,700,000
Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Preferred stock, par or stated value per share (in dollars per share) | $ / shares									$ 0.0001
Share-based compensation arrangement by share-based payment award, fair value assumptions, exercise price (in dollars per share) | $ / shares				$ 0.0001		$ 0.0001			$ 0.0001				$ 0.0001			$ 0.0001
Share-based compensation arrangement by share-based payment award, expiration period				10 years		10 years			24 months
Share-based compensation arrangement by share-based payment award, assets or earning power threshold for option exercise									50.00%
Convertible preferred stock, shares issuable upon conversion per preferred share (in shares)									1
Options forfeited (in shares)						12,500,000
Price per share (in dollars per share) | $ / shares				$ 0.23		$ 0.3
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate				3.00%		3.10%
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate				125.70%		125.70%
Decrease in employee related liabilities | $				$ 820,000
Shares issued for services rendered (in shares)				4,100,000
Preferred Stock Issued
Class of Warrant or Right [Line Items]
Stock options exercised (in shares)															294,490
Preferred options outstanding (in shares)													37,570			37,570
Conversion of stock, shares converted (in shares)			8,600,000
Preferred Stock Issued | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Preferred stock, par or stated value per share (in dollars per share) | $ / shares						$ 0.0001
Stock options exercised (in shares)											12,500,000
Number of options available for grant to founder shareholders (in shares)									12,500,000		12,500,000		12,500,000			12,500,000
Proceeds from issuance of preferred stock | $						$ 5,000					$ 1,250
Number option additionally available for grant to founder shareholders (in shares)										12,500,000
Multiples of par value paid for preferred stock | multiple						4
Preferred Stock Issued | Founding Shareholder | J Stephen Holmes
Class of Warrant or Right [Line Items]
Share-based compensation arrangement by share-based payment award, options, forfeitures in period (in shares)								11,790,000
Common Stock Issued
Class of Warrant or Right [Line Items]
Shares issued upon conversion (in shares)			8,600,000
Common Stock Issued | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Convertible preferred stock, shares issued upon conversion (in shares)					8,000,000
Common shares lock up period				6 months	6 months
Stock Option | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Number of options available for grant to founder shareholders (in shares)													25,000,000			25,000,000
Stock Option | Preferred Stock Issued
Class of Warrant or Right [Line Items]
Convertible preferred stock (in shares)																									24,634,560
Common Share Units
Class of Warrant or Right [Line Items]
Shares issued upon conversion (in shares)															294,490
Common Share Units | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Shares issued upon conversion (in shares)										12,500,000
Common shares lock up period										24 months
Preferred Class A | Preferred Stock Issued | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Number of options available for grant to founder shareholders (in shares)						12,500,000
Convertible Preferred Stock | Chief Executive Officer | Scott W Absher
Class of Warrant or Right [Line Items]
Price per share (in dollars per share) | $ / shares				$ 0.2025		$ 0.2322
Private Placement
Class of Warrant or Right [Line Items]
Sale of stock, number of shares and warrants issued in transaction (in shares)		416,667
Exercise price of warrants (in dollars per share) | $ / shares		$ 0.01
Sale of stock, consideration received on transaction, gross | $												$ 5,000,000
Sale of stock, consideration received on transaction | $												$ 4,400,000
Private Placement | Common Stock Warrants
Class of Warrant or Right [Line Items]
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate		3.70%
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate		149.40%
Warrants to acquire shares of common stock (in shares)		833,334
Sale of stock, number of warrants accompanying each common share | warrant		2
Sale of stock, stock and warrant price per share (in dollars per share) | $ / shares		$ 12.00
Warrants term		7 years
Exercise price of warrants (in dollars per share) | $ / shares		$ 12.00
Proceeds from issuance of private placement | $		$ 4,378,000
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected dividend rate		0.00%
Private Placement | Common Stock Warrants | Minimum
Class of Warrant or Right [Line Items]
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected term		6 years 8 months 12 days
Private Placement | Common Stock Warrants | Maximum
Class of Warrant or Right [Line Items]
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected term		6 years 9 months 18 days
Private Placement | September 2021 Modified Warrants
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)																					25,233
Private Placement | January 2022 Modified Warrants
Class of Warrant or Right [Line Items]
Class of warrant or right, outstanding (in shares)																				98,969
Overallotment
Class of Warrant or Right [Line Items]
Warrants to acquire shares of common stock (in shares)		20,833
Warrants term		4 years
Exercise price of warrants (in dollars per share) | $ / shares		$ 13.20
Sale of stock, placement fee		7.00%
Sale of stock, common stock shares as a percent of offering		5.00%
Warrants and rights outstanding, requisite exercise period		6 months
At-The-Market Offering
Class of Warrant or Right [Line Items]
Sale of stock, aggregate offering amount, maximum | $																		$ 8,200,000
Sale of stock, consideration received on transaction, gross | $													$ 1,900,000
Sale of stock, consideration received on transaction | $													$ 1,400,000
Sale of stock, number of shares issued in transaction (in shares)													305,340
Sale of stock, amount remaining available for sale of shares | $													$ 6,300,000			$ 6,300,000