CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Operating Activities:
Net loss	$ (94,379)	$ (119,902)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	19,892	15,301
Amortization	3,305	3,570
Stock-based compensation expense, net of amounts capitalized	5,191	3,348
Allowance for expected credit losses	17	(103)
Inventory allowance	(12)	498
Loss on disposal of property and equipment	264	1,651
Change in fair value of warrant liability	3,358	(811)
Paid-in-kind interest	30,947	50,283
Amortization of debt premium	(5,679)	0
Amortization of debt issuance costs	2,204	8,401
Write-off of financing fees	0	1,228
Interest expense on financing obligation	601	682
Intangibles impairment	3,700	0
Changes in operating assets and liabilities:
Accounts receivable	62	899
Inventory	(593)	(3,102)
Prepaid expenses and other current assets	412	544
Other assets	101	(28)
Accounts payable	1,538	6,643
Operating lease liabilities	(3)	(25)
Finance lease liabilities	63	37
Accrued liabilities	(1,325)	3,825
Net cash used in operating activities	(30,336)	(27,061)
Investing Activities:
Purchases of property and equipment	(11,589)	(82,454)
Net cash used in investing activities	(11,589)	(82,454)
Financing Activities:
Proceeds from financing obligation	1,596	0
Proceeds from issuance of Series A preferred stock, net of issuance costs	20,938	0
Proceeds from issuance of common stock, net of issuance costs	3,543	0
Proceeds from issuance of debt, net of issuance costs	10,468	100,113
Proceeds from issuance of convertible note, net of debt issuance costs	9,900	0
Payment of minimum employee taxes withheld upon net share settlement of restricted stock units	(1,216)	0
Principal payment on finance lease liabilities	(51)	(27)
Net cash provided by financing activities	45,178	100,086
Net increase (decrease) in cash and cash equivalents and restricted cash	3,253	(9,429)
Cash and cash equivalents and restricted cash at beginning of period	7,466	16,895
Cash and cash equivalents and restricted cash at end of period	10,719	7,466
Reconciliation of cash, cash equivalents, and restricted cash from the Consolidated Balance Sheets to the Consolidated Statements of Cash Flows:
Cash and cash equivalents	4,233	937
Restricted cash	6,486	6,529
Total cash and cash equivalents and restricted cash as shown in the Consolidated Statements of Cash Flows	10,719	7,466
Supplemental disclosures of cash flow information:
Cash paid for interest	4,044	5,545
Non-cash investing and financing activities:
Conversion of Series A Preferred Stock to common stock	21,408	0
Accrued interest capitalized to debt	30,697	50,283
Purchases of property and equipment included in accounts payable and accrued liabilities	5,337	7,243
Non-cash transfer from property and equipment, net to other assets	0	1,228
Stock-based compensation capitalized to property and equipment, net	352	781
Non-cash equity settlement on employee receivable	$ 163	$ 0