Condensed Consolidated Statements of Cash Flows (Unaudited) $ in Thousands, € in Millions	6 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)
Cash flows from operating activities:
Net income	$ 4,200	$ 7,900
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	19,500	20,900
Amortization of right of use asset	1,900	2,000
Profit on disposal of trade and assets		(900)
Stock-based compensation expense	6,000	5,400
Contract cost expense	(5,200)	(2,800)
Reclassification of loss on hedging instrument to comprehensive income	300	400
Non-cash interest expense relating to senior debt	1,000	800
Changes in assets and liabilities:
Accounts receivable	3,200	(200)
Inventory	(14,600)	(9,900)
Prepaid expenses and other assets	2,500	900
Corporate tax and other current taxes payable	(1,500)	(6,500)
Accounts payable and accrued expenses	(7,600)	(1,900)
Deferred revenues and customer prepayment	24,700	(1,700)
Operating lease liabilities	(1,800)	(1,900)
Other long-term liabilities	(100)	(1,500)
Net cash provided by operating activities	32,500	11,000
Cash flows from investing activities:
Purchases of property and equipment	(8,700)	(12,000)
Acquisition of subsidiary company assets		(600)
Disposal of trade and assets		1,300
Acquisition of third-party company trade and assets	(600)
Purchases of capital software and internally developed costs	(6,700)	(6,900)
Net cash used in investing activities	(16,000)	(18,200)
Cash flows from financing activities:
Repurchase of common stock	(100)	(5,100)
Repayments of finance leases	(700)	(300)
Net cash used in financing activities	(800)	(5,400)
Effect of exchange rate changes on cash	1,400	(3,500)
Net increase (decrease) in cash	17,100	(16,100)
Cash, beginning of period	25,000	47,800
Cash, end of period	42,100	31,700
Supplemental cash flow disclosures
Cash paid during the period for interest	11,900	11,700
Cash paid during the period for income taxes	4,500	100
Cash paid during the period for operating leases	3,900	3,800
Supplemental disclosure of non-cash investing and financing activities
Lease liabilities arising from obtaining right of use assets	200
Additional paid in capital from settlement of RSUs	(200)	(200)
Property and equipment acquired through finance lease	1,200
Property and equipment transferred to inventory		$ 800