Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 19,481	$ 12,558
Accounts receivable	108	38
Prepaid expenses and other current assets	572	408
Total current assets	20,161	13,004
Property, plant, equipment and water programs, net	47,356	46,619
Long-term deposit/prepaid expenses	2,000	2,000
Goodwill	3,813	3,813
Other assets	4,196	3,873
Total assets	77,526	69,309
Current liabilities:
Accounts payable	1,086	225
Accrued liabilities	1,369	2,070
Current portion of long-term debt	53	59
Warrant derivative liabilities		865
Other liabilities	966	923
Total current liabilities	3,474	4,142
Long-term debt, net	137,988	136,246
Long-term lease obligations, net	15,045	14,411
Deferred revenue	750	750
Other long-term liabilities	37
Total liabilities	157,294	155,549
Stockholders’ deficit:
Common stock - $.01 par value; 70,000,000 shares authorized at June 30, 2019 and December 31, 2018; shares issued and outstanding – 26,942,085 at June 30, 2019 and 24,654,911 at December 31, 2018	269	247
Additional paid-in capital	406,762	383,521
Accumulated deficit	(486,799)	(470,008)
Total stockholders’ deficit	(79,768)	(86,240)
Total liabilities and stockholders’ deficit	$ 77,526	$ 69,309