CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current Assets:
Cash and cash equivalents	$ 109,038	$ 115,293
Prepaid and other current assets	724	320
Total Current Assets	109,762	115,613
Property, plant and equipment, at cost:
Property, plant and equipment	43,845	14,593
Less: Accumulated depreciation	(169)	(114)
Net property, plant and equipment	43,676	14,479
Operating lease right-of-use assets	157	226
Other long-term assets		2,665
Total Assets	153,595	132,983
Current Liabilities:
Accounts payable	4,928	3,043
Accrued liabilities	2,012	2,129
Operating lease liability - current	152	152
Total Current Liabilities	7,092	5,324
Operating lease liability, net of current	12	83
Other long-term liabilities	1,378	1,378
Total Liabilities	8,482	6,785
Commitments and Contingencies (see note 7)
Stockholders' Equity:
Common stock, 100,000,000 shares authorized, $.001 par value; Issued shares - 47,218,863 and 35,279,724 respectively Outstanding shares - 47,218,702 and 35,279,563 respectively	47	35
Paid-in capital	493,445	468,578
Accumulated deficit	(348,121)	(342,157)
Less: Treasury stock (161 shares), at cost	(258)	(258)
Total Stockholders' Equity	145,113	126,198
Total Liabilities and Stockholders' Equity	$ 153,595	$ 132,983