v2.4.0.8

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 6 Months Ended
--- | ---
Jun. 30, 2014 | Jun. 30, 2013
Cash flows from operating activities |  |
Net loss | $ (17,645) | $ (12,641)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities: |  |
Depreciation and amortization | 2,646 | 1,942
Stock-based compensation expense | 3,239 | 1,068
Change in the fair value of the Series D redeemable convertible preferred stock warrant prior to conversion | 695 | (13)
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 1,180 | (924)
Advances to clients | (569) |
Prepaid expenses | (1,010) | (1,020)
Other assets | 662 | 19
Accounts payable | (773) | (35)
Accrued expenses and other current liabilities | 1,921 | 2,417
Deferred revenue | 11,130 | 7,835
Refunds payable | 196 | 173
Rebate reserve | (5) | 44
Other liabilities | (25) | 19
Net cash (used in) provided by operating activities | 1,642 | (1,116)
Cash flows from investing activities |  |
Expenditures for property and equipment | (1,720) | (1,668)
Capitalized content development cost expenditures | (3,476) | (2,045)
Other investing activities | (21) |
Net cash used in investing activities | (5,217) | (3,713)
Cash flows from financing activities |  |
Proceeds from issuance of common stock, net of offering costs | 100,302 |
Proceeds from exercise of stock options | 1,023 | 69
Repurchase of common shares |  | (149)
Proceeds from issuance of Series D redeemable convertible preferred stock, net of issuance costs |  | 4,994
Net cash provided by financing activities | 101,325 | 4,914
Net increase in cash and cash equivalents | 97,750 | 85
Cash and cash equivalents, beginning of period | 7,012 | 25,190
Cash and cash equivalents, end of period | 104,762 | 25,275
Supplemental disclosure of non-cash investing and financing activities |  |
Accretion of issuance costs on redeemable convertible preferred stock | 89 | 174
Accrued capital expenditures | 278 | 242
Deferred offering costs included in accounts payable and accrued expenses | 144 |
Common stock granted in exchange for consulting services received | $ 55 |

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

X
- 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=31042434&loc=d3e3602-108585 + Details
Name: | us-gaap_ShareBasedCompensation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration