CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (34,498)	$ (18,227)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	12,857	8,870
Accretion of debt in interest expense	981	2,917
Current expected credit losses	482	922
Provision for obsolete inventory	1,363	511
Stock-based compensation	6,767	5,571
Deferred income tax	0	(12,360)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable	(11,360)	7,065
Inventories	(8,425)	(8,765)
Other current assets	1,596	(11,049)
Other assets	(2,521)	(1,525)
Accounts payable	5,305	4,933
Accrued salaries and benefits	(2,840)	(1,276)
Accrued expenses	(1,690)	(6,345)
Customer deposits and deferred service revenue	(1,043)	(3,901)
Other current liabilities	2,031	0
Other long-term liabilities	(594)	(399)
Net cash used in operating activities	(31,589)	(33,058)
Cash flows from investing activities:
Cash paid for acquisition	(1,212)	(377,263)
Capital expenditures	(504)	(600)
Capitalization of software costs	(3,247)	(3,838)
Net cash used in investing activities	(4,963)	(381,701)
Cash flows from financing activities:
Principal payments of long-term debt	(348)	(3,643)
Proceeds from common stock issuance	0	160,000
Payments for common stock issuance costs	0	(4,314)
Proceeds from debt issuance, net of original issue discount	0	176,385
Payments for debt issuance costs	0	(5,711)
Treasury stock acquired from employees upon vesting or forfeiture of restricted stock	(2,448)	(3,987)
Proceeds from exercise of stock options	1,018	617
Net cash (used in) provided by financing activities	(1,778)	319,347
Effect of exchange rate changes on cash and cash equivalents	511	(56)
Net decrease in cash and cash equivalents	(37,819)	(95,468)
Cash and cash equivalents at beginning of period	188,419	180,686
Cash and equivalents at end of period	150,600	85,218
Supplemental disclosures of cash flow information:
Interest	16	3,724
Capitalized software recorded in accounts payable	39	73
Capital expenditures in accounts payable	$ 147	$ 20