STANDBY EQUITY PURCHASE AGREEMENT AND CONVERTIBLE PROMISSORY NOTE - Convertible promissory note (Details)			1 Months Ended				12 Months Ended
	Aug. 31, 2022 USD ($)	Jun. 02, 2022 USD ($) item $ / shares	Aug. 31, 2023 USD ($)	Nov. 30, 2022 USD ($) D $ / shares	Oct. 31, 2022 USD ($) $ / shares	Mar. 31, 2022 shares	Dec. 31, 2022 USD ($) $ / shares	Sep. 30, 2022 $ / shares	Jun. 10, 2022
DEBT
Proceeds from convertible promissory note							$ 14,700,000
Loss on extinguishment of debt							$ (2,054,000)
Convertible promissory note
DEBT
Interest rate				4.00%
Interest rate in event of default (a a percent)				15.00%
Conversion price (in dollars per share) | $ / shares							$ 0.40
Effective interest rate of debt									7.50%
Equity securities with aggregate gross sale price				$ 5,000,000.0
Common shares issued on conversion of convertible notes							8,500,000
Contractual interest expense							$ 1,100,000
Unpaid interest converted into shares of common stock | shares						8,628,024
Convertible promissory note | Interest Expense.
DEBT
Contractual interest expense							$ 13,000
Convertible promissory note | Yorkville
DEBT
Discount on issue (as a percent)		2.00%
Proceeds from convertible promissory note		$ 14,700,000
Loan amount		$ 15,000,000.0
Number of periodic payments | item		5
Periodic payments	$ 3,000,000.0	$ 3,000,000.0	$ 3,000,000.0
Monthly payment deferral (as a percent)		50.00%
Number of periodic payments deferral | item		2
Deferred periodic payment	$ 1,500,000		$ 1,500,000
Interest rate		4.00%
Interest rate in event of default (a a percent)		15.00%
Threshold share price for repayment of debt at premium (in dollars per share) | $ / shares		$ 2.25
Conversion price (in dollars per share) | $ / shares		$ 3.75
Notice period for debt redemption if stock price less than conversion price.		5 days
Notice period for debt redemption		15 days
Convertible promissory note | Yorkville | Share price greater or equal to $2.25
DEBT
Premium on repayment of debt (as a percent)		6.00%
Convertible promissory note | Yorkville | Share price less than $2.25
DEBT
Premium on repayment of debt (as a percent)		4.00%
Convertible promissory note | Accredited Investors
DEBT
Loan amount				3,400,000
Convertible promissory note | Management
DEBT
Loan amount				$ 1,700,000
Amended and Restated Convertible Promissory Notes
DEBT
Cash payment premium					12.00%
Extinguishment of debt, change in the fair value percentage					10.00%
Conversion price (in dollars per share) | $ / shares					$ 1.26			$ 3.75
Loss on extinguishment of debt					$ 2,100,000
Embedded conversion feature					1,600,000
Excess of the fair value of the A&R Promissory Note					$ 9,400,000
Second Amended and Restated Convertible Promissory Notes
DEBT
Debt conversion, Weighted Average Price, Percentage				88.00%
Conversion price (in dollars per share) | $ / shares				$ 1.26
Threshold Trading Days | D				3
Effective interest rate of debt				3.10%
Embedded conversion feature				$ 20,000
Second Amended and Restated Convertible Promissory Notes | Due by November 25, 2022
DEBT
Periodic payments				1,300,000
Second Amended and Restated Convertible Promissory Notes | Due by November 29, 2022
DEBT
Periodic payments				1,700,000
Second Amended and Restated Convertible Promissory Notes | Due by December 23, 2022
DEBT
Periodic payments				$ 6,000,000.0