PLANT, PROPERTY AND EQUIPMENT, NET (Schedule of Fixed assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Total depreciable property and equipment	$ 30,226	$ 20,850
Less: accumulated depreciation	(15,270)	(11,711)
Depreciable property, net	14,956	9,139
Assets under development	4,950	6,763
Property, plant, and equipment, net	19,906	15,902
Computer hardware and software
Total depreciable property and equipment	30,200	20,824
Furniture, fixtures and equipment
Total depreciable property and equipment	$ 26	$ 26