Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities
Net income (loss)	$ 1,186	$ (448)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	374	682
Amortization of intangible assets	325	702
Stock-based compensation	4,806	4,153
Non-cash lease (benefit) expense	(188)	312
Deferred income tax expense	9	6
Accretion of available-for-sale investments	(122)	(105)
Gain on disposal of assets held for rent, net	0	187
Change in operating assets and liabilities
Accounts receivable, trade, net	(5,104)	1
Inventories	(2,679)	1,447
Prepaid expenses and other assets	3,218	181
Accounts payable	2,206	(828)
Accrued expenses and other current liabilities	(4,400)	(4,252)
Sales taxes payable	(148)	(327)
Other	26	16
Net cash (used in) provided by operating activities	(491)	1,727
Cash flows from investing activities
Purchases of available-for-sale securities	(20,430)	(30,324)
Proceeds from sale of available-for-sale securities	2,331	573
Maturities of available-for-sale securities	16,436	3,000
Purchases of assets held for rent	0	(250)
Purchases of property and equipment	(167)	(175)
Net cash used in investing activities	(1,830)	(27,176)
Cash flows from financing activities
Proceeds from exercises of common stock options	190	0
Payments on term loans	(2,500)	(2,500)
Payment of tax withholding on vesting of shares	(5,588)	0
Payments on financed insurance premium	0	(502)
Other	3	10
Net cash used in financing activities	(7,895)	(2,992)
Net decrease in cash and cash equivalents	(10,216)	(28,441)
Cash and cash equivalents – beginning of period	33,038	95,386
Cash and cash equivalents – end of period	22,822	66,945
Non-cash investing and financing activities
Purchase of property and equipment not yet paid	58	552
Unrealized gains on available-for-sale securities	(252)	(9)
Cash interest paid	$ 73	$ 265