FAIR VALUE MEASUREMENTS - Additional Information (Details)		1 Months Ended	3 Months Ended
		Mar. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivatives settlement	[1]		$ 2,886,000	$ 0
Warrants outstanding, fair value		$ 200,000	$ 200,000
Change in fair value of warrants		$ 0
Level 3 | Risk Free Interest Rate | Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivative liability, measurement input		0.0732	0.0732
Level 3 | Risk Free Interest Rate | Maximum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivative liability, measurement input		0.1158	0.1158
Level 3 | Interest Rate Volatility
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Embedded derivative liability, measurement input		0.3979	0.3979
Expected timing until exercise of exchange option			4 years 2 months 12 days

[1] The results of the legacy ALTM business are not included in the Company’s consolidated financials prior to February 22, 2022. Refer to the Form 10-Q basis of presentation in Note 1—Description of the Organization and Summary of Significant Accounting Policies, for further information on the Company’s basis of presentation.