XML 16 R6.htm IDEA: XBRL DOCUMENT v3.10.0.1
CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS
$ in Thousands
9 Months Ended
Sep. 30, 2018
USD ($)
Sep. 30, 2017
USD ($)
Operating activities    
Net income $ 13,317 $ 9,596
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation expense 2,852 2,703
Amortization of intangible assets 4,286 3,885
Loss (gain) on disposal of fixed assets 5 (1)
Provision for doubtful accounts 760 491
Investment discount and premium amortization (349) (57)
Stock-based compensation 10,085 9,191
Tax benefit from business acquisition   (2,415)
Changes in assets and liabilities:    
Accounts receivable, net (5,353) (4,890)
Inventories (5,015) (5,347)
Prepaid expenses and other current assets (644) 390
Other assets 255 (1,018)
Accounts payable 1,816 3,495
Accrued liabilities (1,223) (1,675)
Deferred revenue 574 870
Other long-term liabilities 622 171
Net cash provided by operating activities 21,988 15,389
Investing activities    
Purchases of available-for-sale investments (51,538) (52,472)
Proceeds from sales of available-for-sale investments 1,000 1,950
Proceeds from maturities of available-for-sale investments 51,350 34,580
Purchases of property and equipment (3,914) (3,003)
Business acquisitions, net of cash acquired (1,411) (7,881)
Net cash used in investing activities (4,513) (26,826)
Financing activities    
Proceeds from exercise of options for common stock 10,729 11,290
Payments for withholding taxes related to net share settlement of equity awards (6,378) (4,591)
Repurchase of common stock (15,957) (1,821)
Payment of debt issuance costs (113)  
Net cash (used in) provided by financing activities (11,719) 4,878
Effect of exchange rate changes on cash and cash equivalents (153) 397
Net change in cash and cash equivalents 5,603 (6,162)
Unrestricted and restricted cash and cash equivalents at beginning of period 30,034 35,060
Unrestricted and restricted cash and cash equivalents at end of period 35,637 28,898
Supplemental disclosure of cash flow information    
Cash paid for interest 105 65
Cash paid for taxes 988 1,120
Supplemental schedule of non-cash investing and financing activities    
Business acquisitions holdback liability   1,068
Purchases of property and equipment financed by accounts payable 689 396
Net unrealized gains (losses) on available-for-sale investments $ (3) $ 3