INCOME TAXES - 10-K - Reconciliation of Provision for Income Taxes (Details) - Private GRI - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Income Taxes [Line Items]
Expected tax benefit based on federal statutory rate	$ (676)	$ (328)
State tax benefit	(242)	(144)
Permanent differences	288	567
Increase (decrease) in valuation allowance	630	(95)
Provision for income taxes	$ 0	$ 0

Income Taxes [Line Items]

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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