Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (15,611)	$ (15,878)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,168	2,158
Stock-based compensation	2,000	2,425
Deferred income tax expense	(84)	0
Reversal of uncertain tax positions	(3)	(2)
Changes in operating assets and liabilities:
Accounts receivable, net	5,165	2,625
Inventories	(1,053)	(3,770)
Prepaid expenses and other current and long-term assets, net	2,781	3,474
Accounts payable	(346)	(2,226)
Accrued current and long-term liabilities	(1,510)	(2,623)
Income taxes payable	101	(29)
Net cash used in operating activities	(6,392)	(13,846)
Cash flows from investing activities:
Purchases of property and equipment	(2,866)	(2,704)
Net cash used in investing activities	(2,866)	(2,704)
Cash flows from financing activities:
Payments on asset financings	(587)	(546)
Proceeds from issuance of common stock under employee equity incentive plans	125	156
Net proceeds from issuance of equity interest to non-controlling interest	0	14,596
Net cash provided by (used in) financing activities	(462)	14,206
Net decrease in cash and cash equivalents	(9,720)	(2,344)
Cash and cash equivalents, beginning of period	47,544	56,821
Cash and cash equivalents, end of period	37,824	54,477
Supplemental disclosure of cash flow information:
Cash paid during the period for income taxes, net of refunds received	124	187
Cash paid during the period for interest	70	76
Non-cash investing and financing activities:
Acquisitions of property and equipment and other assets, unpaid at period end.	$ 419	$ 1,888