Condensed Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent, Total	$ (24,792,000)	$ (31,249,000)
Depreciation	654,000	423,000
Amortization of debt discount and issuance costs	2,414,000	3,475,000
Amortization of right-of-use asset	18,000	15,000
Interest expense added to loan principal	0	4,267,000
Interest expense added to lease liability	1,866,000	1,647,000
Loss on equity method investments	(40,000)	942,000
Loss on debt conversion and extinguishment of debt	0	1,399,000
Compensation charge for stock and share option awards	1,876,000	4,747,000
Unrealized gain on warrant derivative liabilities	0	(573,000)
Changes in operating assets and liabilities:
Accounts receivable	(184,000)	(215,000)
Prepaid expenses and other current assets	75,000	(420,000)
Other assets	(684,000)	234,000
Accounts payable	113,000	(92,000)
Accrued and other liabilities	85,000	126,000
Net cash used in operating activities	(18,599,000)	(15,274,000)
Cash flows from investing activities:
Additions to property, plant and equipment and water programs	(3,376,000)	(22,908,000)
Contributions to equity-method investments	(213,000)	(564,000)
Distributions from equity-method investments	217,000	0
Payments for acquisitions, net of cash acquired	(750,000)	0
Net cash used in investing activities	(4,122,000)	(23,472,000)
Cash flows from financing activities:
Net proceeds from issuance of common stock	21,636,000	32,459,000
Net proceeds from the issuance of 8.875% series A cumulative, perpetual preferred stock	0	54,209,000
Dividend payment	(5,106,000)	(1,449,000)
Proceeds from the issuance of long-term debt	287,000	50,137,000
Issuance costs of long-term debt	0	(2,878,000)
Principal payments on long-term debt	(170,000)	(77,595,000)
Costs for extinguishment of debt	0	(2,525,000)
Taxes paid related to net share settlement of equity awards	0	(1,184,000)
Other	0	4,000
Net cash provided by financing activities	16,647,000	51,178,000
Net (decrease) increase in cash, cash equivalents and restricted cash	(6,074,000)	12,432,000
Cash, cash equivalents and restricted cash, beginning of period	19,856,000	7,424,000
Cash, cash equivalents and restricted cash, end of period	$ 13,782,000	$ 19,856,000