CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities
Net loss	$ (18,802)	$ (16,399)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,121	1,619
Non-cash interest expense	178	105
Stock-based compensation expense	2,375	1,545
Deferred taxes		10
Change in fair value of contingent consideration	227	200
Net accretion of marketable securities	(5)
Changes in operating assets and liabilities:
Accounts receivable, net	(3,214)	(1,870)
Prepaid expenses and other assets	2,517	(1,151)
Inventories, net	(137)	(2,286)
Operating lease right of use assets	598	472
Accounts payable	(1,945)	2,083
Accrued expenses and other liabilities	(3,941)	(2,460)
Operating lease liabilities	(539)	(397)
Deferred revenue	809	597
Net cash used in operating activities	(19,758)	(17,932)
Investing activities
Purchases of property and equipment	(804)	(1,138)
Maturities of marketable securities	7,000
Net cash provided by (used in) investing activities	6,196	(1,138)
Financing activities
Proceeds from stock option exercises	58	55
Settlement of restricted stock units for tax withholding obligations	(94)
Principal payments on financing leases	(148)	(126)
Payments of debt issuance costs	(33)
Payments of deferred offering costs	(202)
Net cash used in financing activities	(419)	(71)
Net decrease in cash, cash equivalents, and restricted cash	(13,981)	(19,141)
Cash, cash equivalents, and restricted cash at beginning of year	74,532	113,381
Cash, cash equivalents, and restricted cash at end of year	60,551	94,240
Supplemental disclosures of cash flow information
Cash paid for interest	1,793	638
Supplemental disclosures of non-cash activities
Purchases of property and equipment included in accounts payable and accrued expenses	$ 529	$ 887