INCOME TAXES - Narrative (Detail) - USD ($)	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Income Taxes [Line Items]
Valuation allowance, deferred tax asset, increase (decrease), amount			$ 2,200,000
Income tax expense (benefit)		$ 4,806,000	(2,242,000)
Asset impairment charges		2,166,000	$ 0
Unrecognized tax benefits, income tax penalties accrued	$ 100,000	100,000
Total amount of unrecognized tax benefits	0	0
Samsung
Income Taxes [Line Items]
Asset impairment charges	1,400,000
LGE
Income Taxes [Line Items]
Asset impairment charges	800,000
Long Term Deposits
Income Taxes [Line Items]
Asset impairment charges	2,200,000
Other Current Liabilities
Income Taxes [Line Items]
Unrecognized tax benefits, interest on income taxes accrued	1,100,000	1,100,000
Federal
Income Taxes [Line Items]
Net operating loss carryforwards	14,000,000	14,000,000
Tax credit carryforwards	4,500,000	4,500,000
State and local
Income Taxes [Line Items]
Net operating loss carryforwards	53,000,000	53,000,000
Tax credit carryforwards	2,500,000	2,500,000
Foreign tax authority
Income Taxes [Line Items]
Income tax expense (benefit)	3,300,000
Foreign tax authority | Canada | Research and development
Income Taxes [Line Items]
Tax credit carryforwards	$ 1,900,000	$ 1,900,000