CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net loss	$ (18,288)	$ (15,905)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	7,226	6,933
Accretion of debt in interest expense, net	508	522
Accretion of discount on held to maturity investments in interest expense, net	(397)	0
Current expected credit losses	564	489
Provision for obsolete inventory	108	88
Stock-based compensation	4,410	3,055
Adjustment to contingent consideration liability	0	(5,200)
Deferred income tax	(8,049)	0
Changes in operating assets and liabilities:
Accounts receivable	(5,090)	(7,034)
Inventories	(1,605)	5,051
Other current assets	(4,552)	(2,512)
Other assets	(724)	752
Accounts payable	9,521	4,063
Accrued salaries and benefits	(5,160)	(7,647)
Accrued expenses	(3,376)	1,067
Customer deposits and deferred service revenue	(945)	(343)
Customers payable	2,388	216
Other long-term liabilities	(115)	(343)
Net cash used in operating activities	(23,576)	(16,748)
Cash flows from investing activities:
Cash paid for acquisition, net of cash acquired	(166,292)	0
Capital expenditures	(45)	(823)
Capitalization of software costs	(1,385)	(481)
Proceeds from sale of held to maturity investments	18,980	24,610
Purchases of held to maturity investments	(3,119)	(25,073)
Net cash used in investing activities	(151,861)	(1,767)
Cash flows from financing activities:
Proceeds from private placement of common stock, net of issuance costs	194,490	0
Treasury stock acquired from employees upon vesting or forfeiture of restricted stock	(4,838)	(2,478)
Proceeds from exercise of stock options	1,105	52
Net cash provided by (used in) financing activities	190,757	(2,426)
Effect of exchange rate changes on cash and cash equivalents	479	(512)
Net increase (decrease) in cash and cash equivalents and cash held on behalf of customers	15,799	(21,453)
Cash and cash equivalents and cash held on behalf of customers at beginning of period	47,539	77,533
Cash and cash equivalents and cash held on behalf of customers at end of period	63,338	56,080
Reconciliation of cash and cash equivalents and cash held on behalf of customers
Cash and cash equivalents	50,780	48,659
Cash held on behalf of customers	12,558	7,421
Total cash and cash equivalents and cash held on behalf of customers	63,338	56,080
Supplemental disclosures of cash flow information:
Cash paid for income taxes	340	507
Capitalized software recorded in accounts payable	24	776
Capital expenditures in accounts payable	176	87
Common stock issued for acquisition	$ 19,170	$ 0