Quarterly report [Sections 13 or 15(d)]

Condensed Consolidated Statements of Cash Flows (Unaudited)

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ 15,085,000	$ 11,902,000
Reconciliation of net loss to net cash used in operating activities
Depreciation and ROU asset amortization	542,000	575,000
Amortization of intellectual property	36,000	90,000
Fair value of common stock issued for consulting services	261,000	0
Stock-based compensation	1,047,000	1,525,000
Change in fair value of warrant liability	(1,327,000)	(0)
Amortization of deferred financing costs	336,000	20,000
Loss on extinguishment of debt	639,000	0
Impairment and loss on disposal of property, plant and equipment	9,012,000	0
Inventory net realizable value adjustment	0	240,000
Write off of debt issuance costs	0	563,000
Changes in operating assets and liabilities
Accounts receivable	0	67,000
Inventory	6,000	(219,000)
Prepaid expenses and other current assets	23,000	6,000
Accounts payable	91,000	(29,000)
Accrued expenses	(766,000)	1,092,000
Other assets and liabilities	(114,000)	(30,000)
Net cash used in operating activities	(5,299,000)	(8,002,000)
Cash flows from investing activities:
Purchases of property, plant and equipment	(421,000)	(6,440,000)
Proceeds from sale of property, plant and equipment	4,347,000	0
Proceeds from note receivable	100,000	200,000
Proceeds from refund of equipment deposit	1,141,000	0
Equipment deposits	(231,000)	(3,522,000)
Net cash provided by (used in) investing activities	4,936,000	(9,762,000)
Cash flows from financing activities:
Proceeds from issuance of common stock and warrants, net of transaction costs	0	7,306,000
Proceeds from employee stock purchase plan	0	35,000
Principal payments on notes payable	(4,500,000)	0
Principal payments on finance leases	(20,000)	(35,000)
Cash paid for tax withholdings on RSUs vesting	(67,000)	(360,000)
Debt issuance costs	0	(413,000)
Net cash provided by (used in) financing activities	(1,783,000)	9,075,000
Net decrease in cash and cash equivalents	(2,146,000)	(8,689,000)
Cash and cash equivalents at beginning of period	4,079,000	16,522,000
Cash and cash equivalents at end of period	1,933,000	7,833,000
Supplemental disclosure of cash flows information
Cash paid for income taxes	2,000	3,000
Cash paid for interest	509,000	166,000
Supplemental disclosure of non-cash transactions
Acquisitions of property, plant and equipment included in accounts payable	413,000	945,000
Acquisitions of property, plant and equipment included in accrued expenses	0	646,000
Acquisitions of property, plant and equipment paid by prior-period deposits	431,000	0
ELOC [Member]
Cash flows from financing activities:
Proceeds from ELOC, net	69,000	0
ATM [Member]
Cash flows from financing activities:
Proceeds from ELOC, net	$ 2,735,000	$ 2,542,000