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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Cash flows from operating activities    
Net income $ 897 $ 5,226
Adjustments to reconcile net income to net cash from operating activities    
Depreciation and amortization 5,727 4,369
Amortization of operating lease assets, debt costs and other assets 773 375
Provision for doubtful accounts 46 (35)
Deferred income taxes (1,582) 277
Share-based compensation 5,685 3,916
Interest and gain on valuation of investment securities (593) (1,629)
Change in fair value of contingent consideration 5,400  
Other 586 208
Changes in operating assets and liabilities, net of effects of acquisitions    
Accounts receivable (2,027) (4,925)
Inventories (2,477) 1,664
Prepaid expenses and other current assets 1,427 2,166
Accounts payable 1,883 (4,459)
Other current liabilities (12,439) (11,310)
Payment of contingent consideration (1,340)  
Other long-term assets and liabilities (3,005) 597
Net cash from operating activities (1,039) (3,560)
Cash flows from investing activities    
Capital expenditures for property, plant and equipment (4,643) (2,831)
Capital expenditures for intangible assets (273) (607)
Asset acquisitions and other investments (6,400) (1,217)
Net cash from investing activities (11,316) (4,655)
Cash flows from financing activities    
Proceeds from issuance of common shares 6,331 4,378
Payments related to withholdings for share-based compensation (2,298) (516)
Payment of contingent consideration (13,660)  
Payments related to finance lease obligation (99)  
Other financing activities (670) (165)
Net cash from financing activities (10,396) 3,697
Effect of exchange rate changes on cash (230) 417
Net change in cash, cash equivalents, and restricted cash (22,981) (4,101)
Cash, cash equivalents, and restricted cash at the beginning of period 72,189 81,157
Cash, cash equivalents, and restricted cash at the end of period 49,208 77,056
Components of cash, cash equivalents and restricted cash at the end of period    
Cash and cash equivalents 46,668 77,056
Restricted cash 2,540  
Cash, cash equivalents, and restricted cash at the end of period $ 49,208 77,056
Noncash investing activities:    
Purchase of intangible assets   $ 1,181