Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net Income (Loss) Attributable to Parent	$ (6,850,000)	$ (10,691,000)
Depreciation	295,000	329,000
Amortization of debt discount and issuance costs	269,000	194,000
Amortization of right-of-use asset	33,000	29,000
Interest expense added to loan principal	380,000	166,000
Interest expense added to lease liability	569,000	500,000
Finance expense	307,000	0
Unrealized gain on derivative liability	0	(130,000)
Loss on early extinguishment of debt	0	5,331,000
Compensation charge for stock and share option awards	1,259,000	326,000
Changes in operating assets and liabilities:
Accounts receivable	(677,000)	229,000
Inventories	(650,000)	(582,000)
Prepaid expenses and other current assets	(485,000)	(412,000)
Other assets	40,000	29,000
Accounts payable	1,485,000	523,000
Lease liabilities	(170,000)	(26,000)
Deferred revenue	350,000	0
Other accrued liabilities	972,000	116,000
Net cash used in operating activities	(2,873,000)	(4,069,000)
Cash flows from investing activities:
Additions to property, plant and equipment and water programs	(186,000)	(2,206,000)
Net cash used in investing activities	(186,000)	(2,206,000)
Cash flows from financing activities:
Net proceeds from issuance of stock	0	38,490,000
Dividend payments	(1,288,000)	(1,288,000)
Proceeds from the issuance of long-term debt	20,000,000	0
Principal payments on long-term debt	(52,000)	(15,047,000)
Issuance costs long-term debt	(839,000)	(27,000)
Costs for early extinguishment of debt	0	(600,000)
Taxes paid related to net share settlement of equity awards	(52,000)	(261,000)
Net cash provided by financing activities	17,769,000	21,267,000
Net increase in cash, cash equivalents and restricted cash	14,710,000	14,992,000
Cash, cash equivalents and restricted cash, beginning of period	4,636,000	13,782,000
Cash, cash equivalents and restricted cash, end of period	$ 19,346,000	$ 28,774,000