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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