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DEBT - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Interest expense	$ 932	$ 418
Unsecured promissory note
Debt Instrument [Line Items]
Interest expense	0	6
Secured term note
Debt Instrument [Line Items]
Interest expense	298	0
Secured term note payable - related party
Debt Instrument [Line Items]
Interest expense	22	66
Secured promissory note - related party
Debt Instrument [Line Items]
Interest expense	546	308
Insurance and other notes payable
Debt Instrument [Line Items]
Interest expense	$ 66	$ 38

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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