Condensed Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (39,882)	$ (25,725)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization expense	4,025	2,019
Provision for allowance for credit losses	2,207	78
Share-based compensation expense	14,148	6,288
Non-cash lease expense	1,182	1,264
Amortization of debt issuance costs	149	148
Accretion (amortization) of discount (premium) on marketable securities, net	(685)	(663)
Other, net	159	5
Net changes in operating assets and liabilities, net of acquisitions:
Accounts receivable	10,297	1,886
Inventory	(12,034)	(6,704)
Prepaid expenses and other assets	185	(1,641)
Operating lease liabilities	(1,291)	1,072
Accounts payable	6,238	(522)
Accrued liabilities	(5,943)	(3,137)
Other, net	127	38
Net cash used in operating activities	(21,118)	(25,594)
Cash flows from investing activities
Purchases of available-for-sale marketable securities	(28,711)	(120,957)
Sales and maturities of available-for-sale marketable securities	60,558	55,763
Purchases of property and equipment	(5,656)	(5,709)
Acquisition, net of cash acquired	0	(20,000)
Net cash provided by (used in) investing activities	26,191	(90,903)
Cash flows from financing activities
Proceeds from issuance of common stock from public offering, net of issuance costs and underwriting discount of $7.5 million	0	107,527
Proceeds from exercise of employee stock options	363	1,532
Taxes from withheld shares	(237)	0
Net cash provided by (used in) financing activities	126	109,059
Net increase (decrease) in cash and cash equivalents	5,199	(7,438)
Cash and cash equivalents at beginning of period	12,982	19,473
Cash and cash equivalents at end of period	18,181	12,035
Supplemental disclosure of cash flow information:
Cash paid for interest	2,490	2,567
Operating lease right-of-use asset and lease liability adjustment due to lease incentive	86	(13)
Noncash investing activities:
Unrealized (gains) losses, net on marketable securities	189	192
Unsettled matured marketable security and receivable from broker	$ 2,000	$ 0