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v3.6.0.2

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cash flows from operating activities: |  |  |
Net income | $ 32,547 | $ 30,758 | $ 38,319
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Depreciation and amortization | 3,734 | 3,775 | 4,706
Stock-based compensation expense | 3,392 | 2,225 | 1,607
Deferred income taxes | (65) | (747) | 815
Provision for doubtful accounts | 52 | 38 |
Provision for inventory | 654 | 210 | 378
Non-cash impairment charges for IPR&D |  | 697 |
Tax benefit from equity awards | (647) | (847) | (9,626)
Changes in operating assets and liabilities: |  |  |
Accounts receivable | (6,201) | (4,996) | 898
Inventories | (1,738) | (2,939) | (1,974)
Prepaid expenses, other current and long-term assets | (898) | 89 | 585
Accounts payable | (5,059) | 5,625 | (750)
Accrued expenses and other current liabilities | 1,566 | (199) | (1,189)
Deferred revenue | (50) | (15) | (2,014)
Income taxes payable | (3,552) | 5,484 | 8,436
Other long-term liabilities | 66 | (94) | (213)
Net cash provided by operating activities | 23,801 | 39,064 | 39,978
Cash flows from investing activities: |  |  |
Proceeds from maturity of investments | 46,500 | 24,250 | 20,000
Purchase of investments | (39,249) | (45,251) | (26,750)
Purchase of property and equipment, net | (14,014) | (9,225) | (1,553)
Net cash used in investing activities | (6,763) | (30,226) | (8,303)
Cash flows from financing activities: |  |  |
Repurchase of common stock | (25,000) |  |
Proceeds from Stock Options Exercised | 1,007 | 1,074 | 2,055
Tax benefit from equity awards | 647 | 847 | 9,626
Minimum tax withholdings on share-based awards |  |  | (6,349)
Net cash (used in) provided by financing activities | (23,346) | 1,921 | 5,332
Exchange rate impact on cash | (138) | (208) | (184)
Increase (Decrease) in cash and cash equivalents | (6,446) | 10,551 | 36,823
Cash and cash equivalents at beginning of period | 110,707 | 100,156 | 63,333
Cash and cash equivalents at end of period | 104,261 | 110,707 | 100,156
Supplemental disclosure of cash flow information: |  |  |
Cash paid for income taxes | 22,826 | 12,724 | 13,778
Non-cash Investing Activities: |  |  |
Purchases of property and equipment included in accounts payable and accrued expenses | 1,257 | 1,949 | 52
Build-to-suit lease agreement | $ 1,723 | $ 30 |

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- Definition Amount of cash outflow to satisfy an employee's income tax withholding obligation as part of a net-share settlement of a share-based award. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + Details
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- Definition Cash outflow for purchase of trading, available-for-sale securities and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3213-108585 + Details
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- Definition The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26853-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 + Details
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (j) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.5) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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