Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
ASSETS
Cash and cash equivalents	$ 20,237	$ 13,030
Accounts receivable	106	36
Prepaid expenses and other current assets	604	411
Total current assets	20,947	13,477
Property, plant, equipment and water programs, net	46,019	45,269
Goodwill	3,813	3,813
Other assets	3,930	3,946
Total assets	74,709	66,505
LIABILITIES AND STOCKHOLDERS’ DEFICIT
Accounts payable	649	411
Accrued liabilities	972	2,281
Current portion of long-term debt	57	1,408
Warrant derivative liabilities	1,528	2,387
Total current liabilities	3,206	6,487
Long-term debt, net	129,937	123,768
Long-term lease obligations, net	13,831	13,276
Deferred revenue	750	750
Other long-term liabilities	923	923
Total liabilities	148,647	145,204
Stockholders’ deficit:
Common stock - $.01 par value; 70,000,000 shares authorized at June 30, 2018 and December 31, 2017; shares issued and outstanding – 24,425,296 at June 30, 2018 and 22,987,434 at December 31, 2017	244	230
Additional paid-in capital	381,556	364,806
Accumulated deficit	(455,738)	(443,735)
Total stockholders’ deficit	(73,938)	(78,699)
Total liabilities and stockholders’ deficit	$ 74,709	$ 66,505