v3.8.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2017 | Sep. 30, 2016
Cash flows from operating activities |  |
Net loss | $ (19,504) | $ (29,647)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities: |  |
Depreciation and amortization | 2,371 | 2,665
Stock-based compensation | 12,961 | 16,765
Other | (45) | 280
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 9,004 | 352
Inventories | (577) | (4,916)
Prepaid expenses and other current assets | (1,575) | 901
Other assets | (262) | (93)
Accounts payable | (911) | (1,956)
Accrued liabilities | (329) | (1,239)
Other liabilities | 93 | 400
Deferred revenue | 6,589 | 6,147
Net cash provided by (used in) operating activities | 7,815 | (10,341)
Cash flows from investing activities |  |
Purchases of property and equipment | (510) | (1,737)
Maturities of short-term investments | 29,600 | 25,600
Purchases of short-term investments | (36,189) | (14,488)
Investment in privately held company | 0 | (1,500)
Net cash provided by (used in) investing activities | (7,099) | 7,875
Cash flows from financing activities |  |
Proceeds from exercise of vested stock options | 723 | 815
Proceeds from Issuance of Shares under Incentive and Share-based Compensation Plans, Including Stock Options | 2,390 | 2,890
Payment for shares withheld for tax withholdings on vesting of restricted stock units | (1,070) | (941)
Payment to repurchase common stock | (3,030) | (2,139)
Repayments of Long-term Capital Lease Obligations | (126) | 0
Net cash provided by (used in) financing activities | (1,113) | 625
Net decrease in cash and cash equivalents | (397) | (1,841)
Cash and cash equivalents at beginning of period | 34,346 | 45,741
Cash and cash equivalents at end of period | 33,949 | 43,900
Supplemental disclosure of cash flow information |  |
Income taxes paid | 295 | 535
Interest paid | 424 | 364
Supplemental disclosure of noncash investing and financing activities |  |
Unpaid property and equipment purchases | $ 62 | $ 1,529

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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 The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer). + 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 (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3291-108585 + 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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