CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Cash flows from operating activities:
Net loss	$ (55,838)	$ (50,160)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	19,625	15,069
Accretion of debt in interest expense	1,485	5,035
Current expected credit losses	739	992
Provision for obsolete inventory	1,773	19
Stock-based compensation	10,257	9,356
Loss on debt extinguishment	0	11,916
Deferred income tax	0	(12,522)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(5,823)	3,189
Inventories	(6,678)	(12,377)
Other current assets	321	(7,575)
Other assets	(3,461)	(2,774)
Accounts payable	3,580	7,849
Accrued salaries and benefits	325	(2,605)
Accrued expenses	(260)	(7,418)
Customer deposits and deferred service revenue	(2,924)	(1,402)
Customers payable	3,985	0
Other long-term liabilities	(685)	(211)
Net cash used in operating activities	(33,579)	(43,619)
Cash flows from investing activities:
Cash paid for acquisitions, net of cash acquired	(18,797)	(374,653)
Capital expenditures	(812)	(928)
Capitalization of software costs	(4,719)	(5,471)
Purchase of held to maturity investments	(40,015)	0
Net cash used in investing activities	(64,343)	(381,052)
Cash flows from financing activities:
Principal payments of long-term debt	(525)	(4,004)
Payments for the extinguishment of notes payable	0	(183,618)
Proceeds from common stock issuance	0	215,000
Payments for common stock issuance costs	0	(6,827)
Proceeds from debt issuance, net of original issue discount	0	441,385
Payments for debt issuance costs	0	(13,998)
Treasury stock acquired from employees upon vesting or forfeiture of restricted stock	(2,711)	(4,477)
Proceeds from exercise of stock options	1,268	819
Net cash (used in) provided by financing activities	(1,968)	444,280
Effect of exchange rate changes on cash and cash equivalents	975	(2)
Net (decrease) increase in cash and cash equivalents	(98,915)	19,607
Cash and cash equivalents at beginning of period	188,419	180,686
Cash and equivalents at end of period	89,504	200,293
Supplemental disclosures of cash flow information:
Interest	20	6,337
Income taxes	660	0
Master development agreement with related party	0	813
Capitalized software recorded in accounts payable	36	0
Capital expenditures in accounts payable	37	88
Common stock issued for acquisition	6,300	109,740
Acquisition contingent consideration recorded in Other long-term liabilities	14,200	0
Tax withholding in accrued salaries and benefits related to treasury stock acquired from employees	0	451
Acquisition consideration recorded in accounts payable	0	121
Master development agreement expenditures with related party in accounts payable	$ 0	$ 163