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INCOME TAXES - Schedule of Deferred Tax Assets (Liabilities) (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Federal net operating loss carryforward | $ 13,446 | $ 12,203
Accrued interest to related parties, not deductible until paid | 119 | 570
Difference in compensation expense from stock options | 109 | 0
Accrued compensation | 357 | 69
Basis of intangible assets | 250 | 309
Other | 35 | 0
Valuation allowance | (8,097) | (6,639)
Total deferred tax assets | 6,219 | 6,512
Basis of property, plant and equipment | 5,612 | 6,000
Bad debt expense | 33 | 0
Prepaid expenses | 215 | 155
Basis in foreign entity | 325 | 357
Other | 34 | 0
Total deferred tax liabilities | 6,219 | 6,512
Net deferred tax liabilities | $ 0 | $ 0

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