Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Operations
Revenues	$ 0	$ 0	$ 0	$ 0
Operating Expenses
General and administrative	14,014	1,885	18,392	5,203
Land option and lease expenses	250	150	733	442
Depreciation expense	26	26	78	73
Impairment loss on capital projects				506
Total operating expenses	14,290	2,061	19,203	6,224
Total operating loss	(14,290)	(2,061)	(19,203)	(6,224)
Other income (expense)
Interest income, net	145	24	236	40
Other expense	(12)	(12)	(31)	(25)
Total other income	133	12	205	15
Net loss	$ (14,157)	$ (2,049)	$ (18,998)	$ (6,209)
Net loss per common share - basic and diluted	$ (0.14)	$ (0.02)	$ (0.19)	$ (0.06)
Weighted average shares outstanding - basic and diluted	103,870	95,680	99,124	95,680
Comprehensive Loss
Net loss	$ (14,157)	$ (2,049)	$ (18,998)	$ (6,209)
Other comprehensive loss:
Change in fair value of investments	6	(1)	9	(1)
Comprehensive loss	$ (14,151)	$ (2,050)	$ (18,989)	$ (6,210)