Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Operating activities:
Net income (loss)	$ (36,780)	$ (47,468)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Bad debt expense	21	25
Inventory reserve	323	697
Depreciation and amortization	5,660	3,165
Stock-based compensation	4,137	3,711
Deferred taxes	(304)	(1,930)
Amortization of debt financing costs	498	278
Non-cash lease expense	137	329
Loss on disposal of property, plant, and equipment	57	326
Goodwill impairment	0	16,613
Tradename impairment	2,169	0
Long-lived assets impairment	2,195	4,188
Loss on extinguishment of debt	824	0
Changes in operating assets and liabilities:
Accounts receivable	292	380
Inventories	330	(7,550)
Income taxes receivable	22	1,166
Prepaid expenses and other current assets	131	64
Other non-current assets	400	(2,072)
Accounts payable	(773)	572
Accrued liabilities	1,936	188
Other	(89)	(82)
Cash used in operating activities	(18,814)	(27,400)
Investing activities:
Proceeds from sale of property, plant, and equipment	197	0
Purchase of property, plant and equipment	(7,934)	(28,149)
Cash used in investing activities	(7,737)	(28,149)
Financing activities:
Proceeds from equity financing, net	22,503	0
Repayment of long-term debt	(10,000)	0
Proceeds from financed insurance premiums	1,004	0
Repayment of financed insurance premiums	(594)	0
Proceeds from long-term debt	0	10,135
Payment of debt issuance costs	(47)	(172)
Payment of exit fee costs	0	(135)
Payment of at-the-market facility costs	(395)	0
Proceeds from exercise of stock options	76	145
Proceeds from issuance of common stock under employee stock purchase plan	252	294
Cash provided by financing activities	12,799	10,267
Change in cash and cash equivalents	(13,752)	(45,282)
Cash and cash equivalents at beginning of period	42,236	87,518
Cash and cash equivalents at end of period	28,484	42,236
Supplemental cash flow disclosures:
Income taxes paid	0	0
Interest paid, net of amounts capitalized	1,749	101
Capitalized property, plant and equipment included in accounts payable and accrued liabilities	51	2,237
Offering costs included in accounts payable	37	0
Recognition of operating right-of-use lease asset	(1,137)	22,094
Recognition of operating lease liabilities	$ (1,193)	$ 22,363