Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows provided by (used in) operating activities:
Net income (loss)	$ (4,861)	$ (1,442)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,572	1,674
ROU asset amortization	144	131
Stock-based compensation	1,747	2,477
Impairment of investment in non-affiliate	300	0
Write-down of inventories and reclassifications	141	47
Loss on disposal of equipment	5	0
Other	6	(10)
Changes in operating assets and liabilities:
Accounts receivable	1,455	706
Contract assets	(1,006)	1,355
Inventories	(67)	231
Other assets	(44)	262
Trade payables	(1,104)	(3,657)
Accrued liabilities	(580)	(1,397)
Deferred revenue	(85)	(296)
Lease liabilities	(121)	(154)
Net cash provided by (used in) operating activities	(1,498)	(73)
Cash flows provided by (used in) investing activities:
Capital expenditures for property and equipment	(2,703)	(4,053)
Capitalized internal-use software	(298)	(420)
Net cash provided by (used in) investing activities	(3,001)	(4,473)
Cash flows provided by (used in) financing activities:
Payment of notes payable	(1,089)	(518)
Proceeds from line of credit	30,000	40,000
Repayment of line of credit	(33,000)	(40,000)
Proceeds from issuance of common stock	210	188
Proceeds from issuance of common stock to investors	5,824	3,560
Stock issuance cost	(128)	(24)
Net cash provided by (used in) financing activities	1,817	3,206
Net increase (decrease) in cash, cash equivalents and restricted cash	(2,682)	(1,340)
Cash, cash equivalents and restricted cash at beginning of period	21,880	24,606
Cash, cash equivalents and restricted cash at end of period	19,198	23,266
Supplemental disclosures of cash flow information:
Interest paid	188	116
Income taxes paid	20	37
Supplemental disclosures of non-cash financing and investing items from continuing operations
Purchases of assets with financing arrangements	101	275
Stock-based compensation capitalized as internal-use software	28	21
Stock-based compensation capitalized as tooling and fixed assets	0	9
Purchases of property and equipment in accounts payable and accrued liabilities	$ 1,393	$ 309