STOCKHOLDERS' EQUITY - Narrative (Details)							1 Months Ended		3 Months Ended	9 Months Ended
	Jul. 11, 2023 shares	Jun. 09, 2023 USD ($) $ / shares shares	Apr. 21, 2023 USD ($)	Aug. 23, 2022 USD ($) $ / shares shares	Aug. 15, 2022 USD ($) $ / shares	Mar. 21, 2022 USD ($)	Aug. 31, 2023 USD ($) shares	May 31, 2023 shares	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Sep. 30, 2022 USD ($) shares	Jun. 08, 2023 $ / shares	Mar. 15, 2023	Mar. 13, 2023	Dec. 31, 2022 $ / shares shares	Mar. 24, 2022 USD ($) $ / shares shares	Sep. 22, 2021 USD ($) $ / shares shares	Mar. 27, 2018
Class of Stock [Line Items]
Preferred Stock, par value (in usd per share) | $ / shares									$ 0.001	$ 0.001					$ 0.001
Preferred Stock, shares outstanding (in shares) | shares									0	0					3,954,546
Share price (in usd per share) | $ / shares		$ 7.40
Increase to number of authorized shares (in shares) | shares								250,000,000
Common stock, shares authorized (in shares) | shares								450,000,000	450,000,000	450,000,000					200,000,000
August 2022 Public Offering
Class of Stock [Line Items]
Share price (in usd per share) | $ / shares				$ 20.00
Net proceeds				$ 32,900,000
Common stock | August 2022 Public Offering
Class of Stock [Line Items]
Sale of stock (in shares) | shares				1,800,000
Series A Preferred Stock
Class of Stock [Line Items]
Preferred Stock, shares outstanding (in shares) | shares									0	0
Schuler Purchase Obligation | Shares to the Public
Class of Stock [Line Items]
Public offering purchase		$ 10,000,000
Schuler Trust | September 2021 Securities Purchase Agreement | Affiliated Entity | Common stock
Class of Stock [Line Items]
Stock conversion (in shares) | shares	400,000	4,000,000
Shares issued in conjunction with the reverse stock split (in shares) | shares		400,000
Schuler Trust | September 2021 Securities Purchase Agreement | Affiliated Entity | Series A Preferred Stock
Class of Stock [Line Items]
Agreement to purchase shares (in shares) | shares																	4,000,000
Purchase price (in dollars per share) | $ / shares																	$ 7.70
Purchase price																	$ 30,500,000
Shares converted (in shares)																	1
Conversion of preferred stock into common stock with related party (in shares) | shares		4,000,000
Schuler Trust | March 2022 Securities Purchase Agreement | Affiliated Entity
Class of Stock [Line Items]
Sale of stock (in shares) | shares		500,000
Net proceeds		$ 4,000,000
Agreement to purchase shares (in shares) | shares		500,000
Schuler Trust | March 2022 Securities Purchase Agreement | Affiliated Entity | Freestanding Equity
Class of Stock [Line Items]
Purchase price (in usd per share) | $ / shares		$ 8.20										$ 16.40
Schuler Trust | March 2022 Securities Purchase Agreement | Affiliated Entity | Private Placement
Class of Stock [Line Items]
Agreement to purchase shares (in shares) | shares																200,000
Purchase price																$ 4,000,000
Purchase price (in usd per share) | $ / shares																$ 16.40
Initial conversion price (in usd per share) | $ / shares		$ 8.20										16.40
Issuance of stock (in shares) | shares		500,000
Issuance of common stock		$ 4,000,000
Stock issued		$ 1,800,000
Schuler Trust | March 2022 Securities Purchase Agreement | Affiliated Entity | Private Placement | Freestanding Equity
Class of Stock [Line Items]
Issuance of stock (in shares) | shares		200,000
Issuance of common stock		$ 4,000,000
Schuler Trust | Schuler Purchase Obligation | Affiliated Entity
Class of Stock [Line Items]
Gain (loss) on extinguishment of debt		1,300,000
Schuler Trust | Schuler Purchase Obligation | Affiliated Entity | Public Offering
Class of Stock [Line Items]
Purchase price		10,000,000
Public offering backstop		$ 10,000,000
Schuler Trust | Schuler Purchase Obligation | Affiliated Entity | Shares to the Public
Class of Stock [Line Items]
Public offering purchase (in shares) | shares		10,000,000
Schuler Trust | Schuler Purchase Obligation | Affiliated Entity | Common stock | Public Offering
Class of Stock [Line Items]
Agreement to purchase shares (in shares) | shares		1,400,000
Purchase price (in usd per share) | $ / shares		$ 7.20
Schuler Trust | Schuler Purchase Obligation | Affiliated Entity | Common stock | Shares to the Public
Class of Stock [Line Items]
Maximum purchase		$ 10,000,000
August 2022 Exchange Transaction | Schuler Trust | Embedded Warrant
Class of Stock [Line Items]
Warrants fair value					$ 3,800,000
Senior Notes | August 2022 Exchange Transaction | Schuler Trust
Class of Stock [Line Items]
Notes exchanged					$ 34,900,000
2.50% Convertible Notes Due 2023 | Convertible Notes
Class of Stock [Line Items]
Interest rate		2.50%	2.50%						2.50%	2.50%			2.50%	2.50%	2.50%			2.50%
Stock issued										$ 0	$ 10,180,000
2.50% Convertible Notes Due 2023 | Convertible Notes | August 2022 Exchange Transaction
Class of Stock [Line Items]
Interest rate					2.50%													2.50%
2.50% Convertible Notes Due 2023 | Convertible Notes | August 2022 Exchange Transaction | Schuler Trust
Class of Stock [Line Items]
Interest rate					2.50%													2.50%
Contributed capital					$ 49,900,000
Notes exchanged					49,900,000
2.50% Convertible Notes Due 2023 | Convertible Notes | March 2022 Exchange Transaction
Class of Stock [Line Items]
Interest rate																		2.50%
Contributed capital											10,200,000
Notes exchanged						$ 14,000,000					$ 14,000,000
Shares issued, converted (in shares) | shares											1,100,000
Shares issued (in shares)						0.00226
2.50% Convertible Notes Due 2023 | Senior Notes | August 2022 Exchange Transaction | Schuler Trust
Class of Stock [Line Items]
Contributed capital					34,900,000
Notes exchanged					34,900,000
2.50% Convertible Notes Due 2023 | Secured Debt | August 2022 Exchange Transaction | Schuler Trust
Class of Stock [Line Items]
Net gain in contributed capital					29,800,000						$ 29,800,000
Contributed capital					$ 49,600,000
2.50% Convertible Notes Due 2023 | Secured Debt | March 2022 Exchange Transaction
Class of Stock [Line Items]
Interest rate					2.50%
5.0% Secured Promissory Note | Convertible Notes | August 2022 Exchange Transaction | Schuler Trust | Affiliated Entity
Class of Stock [Line Items]
Contributed capital					$ 49,900,000
5.0% Secured Promissory Note | Senior Notes | Schuler Trust | Affiliated Entity
Class of Stock [Line Items]
Contributed capital		$ 25,400,000
Shares issued, converted (in shares) | shares		3,400,000
Initial conversion price (in usd per share) | $ / shares		$ 10.60										$ 21.20
Gain (loss) on extinguishment of debt		$ (6,100,000)
Alternative investment									$ 2,200,000	$ 2,200,000
5.0% Secured Promissory Note | Senior Notes | August 2022 Exchange Transaction | Schuler Trust | Affiliated Entity
Class of Stock [Line Items]
Interest rate			5.00%
Contributed capital					$ 34,900,000
Notes exchanged			$ 34,900,000
Initial conversion price (in usd per share) | $ / shares					$ 21.20
5.00% Convertible Notes Due 2026 | Convertible Notes
Class of Stock [Line Items]
Interest rate		5.00%							5.00%	5.00%
Stock issued										$ 330,000	$ 0
Shares issued (in shares)		0.13888889					0.13888889
5.00% Convertible Notes Due 2026 | Convertible Notes | August 2023 Conversions
Class of Stock [Line Items]
Net gain in contributed capital							$ 700,000
Interest rate		5.00%					5.00%
Contributed capital							$ 300,000
Notes exchanged									$ 700,000
Shares issued, converted (in shares) | shares							100,000
Gain (loss) on extinguishment of debt									$ 100,000	$ 100,000