Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities
Net income (loss)	$ (38,379)	$ 2,517	$ (28,462)
Adjustments to reconcile net income (loss) to net cash from operating activities
Depreciation and amortization	29,599	30,546	24,699
Impairment of goodwill	11,756
Amortization of operating lease assets, debt costs, and other assets	3,496	3,730	3,778
Provision for expected credit losses	444	199	1,891
Deferred income taxes	24,482	10,787	1,393
Share-based compensation expense	15,432	16,207	21,540
Interest and (gain) loss on the valuation of investment securities	(1,146)	116	5,000
Change in fair value of contingent consideration	(3,575)	(7,300)	29,140
Other	1,064	(2,228)	2,433
Changes in operating assets and liabilities, net of effects of acquisitions
Accounts receivable	(7,049)	13,283	(11,037)
Inventories	619	(873)	(5,712)
Prepaid expenses and other current assets	(2,834)	4,526	(3,698)
Accounts payable	4,253	2,532	2,138
Other current liabilities	1,013	5,975	(7,716)
Contract liability (Note 15)	(9,060)	13,851
Payment of contingent consideration	(6,595)		(1,340)
Other long-term assets and liabilities	(5,045)	(19,596)	(2,014)
Net cash from operating activities	18,475	74,272	32,033
Cash flows from investing activities
Acquisition of a business		(18,000)
Capital expenditures for property, plant and equipment	(17,785)	(15,485)	(18,997)
Capital expenditures for intangible assets	(1,807)	(1,609)	(1,527)
Purchase of investment securities	(2,171)	(10,000)
Asset acquisitions and other investments	(1,250)	(7,240)	(2,400)
Net cash from investing activities	(23,013)	(52,334)	(22,924)
Cash flows from financing activities
Proceeds from revolving credit facility		100,000
Repayment of revolving credit facility		(100,000)
Proceeds from issuance of common shares	8,824	7,598	11,551
Payments related to withholdings for share-based compensation	(2,555)	(2,493)	(5,193)
Payment of contingent consideration	(8,405)		(13,660)
Payments related to finance lease obligation	(537)	(323)	(365)
Payment of debt issuance costs and other financing activities	(948)	(1,537)	(3,021)
Net cash from financing activities	(3,621)	3,245	(10,688)
Effect of exchange rate changes on cash and restricted cash	(815)	1,235	(207)
Net change in cash, cash equivalents, and restricted cash	(8,974)	26,418	(1,786)
Cash, cash equivalents, and restricted cash at the beginning of the year	96,821	70,403	72,189
Cash, cash equivalents, and restricted cash at the end of the year	87,847	96,821	70,403
Components of cash, cash equivalents, and restricted cash at the end of the year
Cash and cash equivalents	87,847	96,291	69,719
Restricted cash		530	684
Cash, cash equivalents, and restricted cash at the end of the year	$ 87,847	$ 96,821	$ 70,403