Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 18,819	$ 10,965
Restricted cash	1,265	1,288
Accounts receivable	124	270
Prepaid expenses and other current assets	793	691
Total current assets	21,001	13,214
Property, plant, equipment and water programs, net	79,381	78,890
Long-term deposit/prepaid expenses	420	420
Equity-method investments	942	976
Goodwill	3,813	3,813
Right-of-use asset	3,275	3,281
Long-term restricted cash	6,338	7,603
Other assets	4,567	4,296
Total assets	119,737	112,493
Current liabilities:
Accounts payable	1,095	286
Accrued liabilities	1,539	808
Current portion of long-term debt	82	107
Dividend payable	1,265	1,288
Operating lease liabilities	25	24
Total current liabilities	4,006	2,513
Long-term debt, net	47,029	46,477
Long-term lease obligations with related party, net	19,303	18,855
Long-term operating lease liabilities	3,010	3,257
Deferred revenue	750	750
Other long-term liabilities	33	32
Total liabilities	74,131	71,884
Stockholders’ equity:
Preferred stock	1	1
Common stock - $.01 par value; 70,000,000 shares authorized at March 31, 2022 and December 31, 2021; shares issued and outstanding – 50,750,304 at March 31, 2022 and 43,656,169 at December 31, 2021	506	436
Additional paid-in capital	625,675	613,572
Accumulated deficit	(580,577)	(573,400)
Total stockholders’ equity	45,606	40,609
Total liabilities and stockholders’ deficit	119,737	112,493
Series A Preferred Stock [Member]
Current liabilities:
Dividend payable	1,270
Stockholders’ equity:
Preferred stock	$ 1	$ 0