v2.4.0.8

Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2014 | Mar. 31, 2013
Cash flows from operating activities |  |
Net loss | $ (7,050) | $ (3,746)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depreciation and amortization | 1,283 | 926
Stock-based compensation expense | 1,195 | 436
Change in the fair value of the Series D redeemable convertible preferred stock warrant | 688 | (8)
Loss on asset disposal | 2 |
Changes in operating assets and liabilities: |  |
Accounts receivable, net | 1,203 | (404)
Advances to clients | 257 |
Prepaid expenses | (1,108) | (1,487)
Other assets | (23) | (361)
Accounts payable | 4,244 | 434
Accrued expenses and other current liabilities | (3,020) | 1,714
Deferred revenue | 4,511 | 3,378
Refunds payable | 209 | (18)
Rebate reserve | 3 | 20
Other liabilities | 80 | 15
Net cash provided by operating activities | 2,474 | 899
Cash flows from investing activities |  |
Expenditures for property, equipment, and internally developed software | (1,116) | (790)
Capitalized content cost expenditures | (1,505) | (771)
Other investing activities | (17) |
Net cash used in investing activities | (2,638) | (1,561)
Cash flows from financing activities |  |
Payment of deferred offering costs | (1,411) |
Proceeds from exercise of stock options | 262 |
Proceeds from issuance of Series D redeemable convertible preferred stock, net of issuance costs |  | 4,994
Net cash provided by (used in) financing activities | (1,149) | 4,994
Net increase (decrease) in cash and cash equivalents | (1,313) | 4,332
Cash and cash equivalents, beginning of period | 7,012 | 25,190
Cash and cash equivalents, end of period | 5,699 | 29,522
Supplemental disclosure of noncash investing and financing activities |  |
Accretion of issuance costs on redeemable convertible preferred stock | 87 | 87
Accrued capital expenditures | 73 | 236
Deferred offering costs included in accounts payable and accrued expenses | 1,504 |
Common stock granted in exchange for consulting services received | $ 55 |

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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 -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: 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 3: 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=31042434&loc=d3e3255-108585 + Details
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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
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration