Property and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Property and Equipment
Property and equipment, net	$ 11,316,000	$ 35,000
Depreciation expense	1,331,000
Machinery and equipment
Property and Equipment
Spare parts currently not in use and not subject to depreciation	190,000
Netherlands
Property and Equipment
Property and equipment, net	594,000
South Africa
Property and Equipment
Property and equipment, net	395,000
Cost of sales
Property and Equipment
Depreciation expense	1,267,000
Sales, general and administrative expenses
Property and Equipment
Depreciation expense	$ 64,000	$ 40,000