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Percentage 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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).

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INCOME TAX - Rates (Details) $ in Thousands, $ in Thousands	12 Months Ended
INCOME TAX - Rates (Details) $ in Thousands, $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2025 HKD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
INCOME TAX
Corporate income tax rate (in percent)	21.00%	21.00%	21.00%	21.00%
State income tax rate	0.18%	0.18%	0.11%	0.05%
Income tax expense	$ 0		$ 6	$ 9
United States
INCOME TAX
Corporate income tax rate (in percent)	21.00%	21.00%	21.00%	21.00%
California
INCOME TAX
State income tax rate	8.84%	8.84%
Hong Kong \| Assessable profits on the first HK$2 million
INCOME TAX
State income tax rate	8.25%	8.25%
Assessable profits		$ 2,000
Hong Kong \| Any assessable profits in excess
INCOME TAX
State income tax rate	16.50%	16.50%
Assessable profits		$ 2,000
Australia
INCOME TAX
Corporate income tax rate (in percent)	30.00%	30.00%
PRC
INCOME TAX
State income tax rate	25.00%	25.00%	25.00%	25.00%
Taiwan
INCOME TAX
Corporate income tax rate (in percent)	20.00%	20.00%
Switzerland
INCOME TAX
Combined statutory tax rate	12.47%	12.47%
Japan
INCOME TAX
Combined statutory tax rate	30.00%	30.00%