Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 28,338	$ 10,380
Restricted cash	373	693
Accounts receivable, net	5,965	1,273
Inventories	936	174
Prepaid expenses and other current assets	8,026	3,376
Total current assets	43,638	15,896
Property and equipment, net	697,679	26,863
Capitalized Development Projects costs	5,724	566,797
Restricted cash and investments for Development Projects	21,039	136,431
Intangible assets	45,216	51,000
Cash collateral for deposit bond	0	35,000
Other assets	33,130	251
Total assets	846,426	832,238
Current liabilities:
Accounts payable	9,894	2,686
Current portion of long-term debt	48,004	14,588
Accrued Development Projects costs	4,922	71,713
Accrued expenses and other current liabilities	33,678	7,320
Total current liabilities	96,498	96,306
Long-term loan, related party, net of debt issuance costs	30,954	0
Long-term debt, net of current portion	495,693	455,148
Other long-term liabilities	11,442	9,463
Total liabilities	634,587	560,917
Stockholders’ equity:
Common stock	344	326
Additional paid-in capital	651,623	572,342
Accumulated other comprehensive loss	(219)	(315)
Accumulated deficit	(439,910)	(301,032)
Total stockholders’ equity	211,839	271,321
Total liabilities and stockholders’ equity	846,426	832,238
Series B
Stockholders’ equity:
Preferred stock	1	0
Series F
Stockholders’ equity:
Preferred stock	$ 0	$ 0