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v3.7.0.1

Consolidated Statements of Cash Flows - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2017 | Jun. 30, 2016
Cash flows from operating activities: |  |
Net loss | $ (22,182) | $ (29,032)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 3,237 | 3,419
Stock-based compensation expense | 9,450 | 9,160
Provision for doubtful accounts | 478 | 394
Foreign currency re-measurement gain | (238) | (119)
Other non-cash expenses | 175 | 130
Changes in assets and liabilities: |  |
Accounts receivable | 1,240 | 4,945
Prepaid expenses and other assets | 412 | (1,401)
Accounts payable | (1,657) | 1,904
Accrued expenses | (2,122) | (3,462)
Deferred revenue | 11,366 | 14,405
Other liabilities | (819) | (72)
Net cash (used in) provided by operating activities | (660) | 271
Cash flows from investing activities: |  |
Purchases of property and equipment | (2,578) | (1,842)
Capitalization of internal-use software costs | (316) | 0
Purchases of investments | (15,828) | 0
Sale and maturities of investments | 14,605 | 0
Net cash used in investing activities | (4,117) | (1,842)
Cash flows from financing activities: |  |
Deferred business acquisition payment | (796) | 0
Payments of capital lease obligations | 0 | (68)
Taxes paid related to net share settlement of equity awards | (261) | (3,760)
Proceeds from employee stock purchase plan | 1,499 | 2,096
Proceeds from stock option exercises | 4,111 | 1,431
Net cash provided by (used in) financing activities | 4,553 | (301)
Effect of exchange rate changes on cash and cash equivalents | 144 | 74
Net increase (decrease) in cash and cash equivalents | (80) | (1,798)
Cash and cash equivalents, beginning of period | 53,148 | 86,553
Cash and cash equivalents, end of period | 53,068 | 84,755
Supplemental cash flow information: |  |
Cash paid for income taxes | 623 | 334
Cash paid for interest | $ 0 | $ 1

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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
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration