Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows (Unaudited)

Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (5,752)	$ (4,606)
Reconciliation of net loss to net cash used in operating activities
Depreciation and ROU asset amortization	280	141
Amortization of intellectual property	45	45
Fair value of common stock issued for director fees	0	32
Fair value of common stock issued for consulting services	0	12
Stock-based compensation	774	687
Amortization of deferred financing costs	11	16
Gain on disposal of property, plant and equipment	0	(20)
Non-cash interest expense	24	0
Changes in operating assets and liabilities
Proceeds from leasing of building	0	283
Accounts receivable	67	12
Inventory	(111)	(23)
Prepaid expenses and other current assets	(115)	(23)
Accounts payable	111	107
Accrued expenses	399	547
Other assets and liabilities	16	(73)
Net cash used in operating activities	(4,251)	(2,863)
Cash flows from investing activities:
Purchases of property, plant and equipment	(2,737)	(5,255)
Proceeds from sale of equipment	0	67
Equipment deposits	(2,992)	(34)
Proceeds from note receivable	150	0
Net cash used in investing activities	(5,579)	(5,222)
Cash flows from financing activities:
Proceeds from employee stock purchase plan	0	14
Proceeds from note payable, net	0	2,932
Cash paid for tax withholdings on RSUs vesting	(360)	(577)
Debt issuance costs	(164)	0
Proceeds from ATM, net	2,126	1,989
Net cash provided by financing activities	1,602	4,358
Net decrease in cash and cash equivalents	(8,228)	(3,727)
Cash and cash equivalents at beginning of period	16,522	7,082
Cash and cash equivalents at end of period	8,294	3,355
Supplemental disclosure of cash flows information
Cash paid for interest	82	155
Supplemental disclosure of non-cash transactions
Acquisitions of property, plant and equipment included in accounts payable	1,121	412
Acquisitions of property, plant and equipment included in accrued expenses	1,638	210
Equity included in accrued expenses	$ 0	$ 608