Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 15,272	$ 12,558
Accounts receivable	93	38
Prepaid expenses and other current assets	523	408
Total current assets	15,888	13,004
Property, plant, equipment and water programs, net	47,590	46,619
Long-term deposit/prepaid expenses	2,000	2,000
Long-term investments	71
Goodwill	3,813	3,813
Other assets	4,157	3,873
Total assets	73,519	69,309
Current liabilities:
Accounts payable	666	225
Accrued liabilities	927	2,070
Current portion of long-term debt	42	59
Warrant derivative liabilities		865
Other liabilities	966	923
Total current liabilities	2,601	4,142
Long-term debt, net	141,409	136,246
Long-term lease obligations, net	15,376	14,411
Deferred revenue	750	750
Other long-term liabilities	26
Total liabilities	160,162	155,549
Stockholders’ deficit:
Common stock - $.01 par value; 70,000,000 shares authorized at September 30, 2019 and December 31, 2018; shares issued and outstanding – 26,996,060 at September 30, 2019 and 24,654,911 at December 31, 2018	270	247
Additional paid-in capital	407,330	383,521
Accumulated deficit	(494,243)	(470,008)
Total stockholders’ deficit	(86,643)	(86,240)
Total liabilities and stockholders’ deficit	$ 73,519	$ 69,309