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v2.4.0.8

Consolidated Statements of Cash Flows (USD $) | 9 Months Ended
--- | ---
Sep. 30, 2013 | Sep. 30, 2012
Operating activities |  |
Net income | $ 2,944,149 | $ 10,466,582
Adjustments to reconcile net income to net cash provided by (used in) operating activities: |  |
Depreciation expense | 834,615 | 722,496
Share-based compensation | 393,561 | 628,796
Fair value adjustment of warrant liability | 626,349 |
Changes in operating assets and liabilities: |  |
Accounts receivable | (235,063) | (2,713,429)
Prepaid expenses | (965,815) | (69,231)
Accounts payable | (1,940,897) | (5,444,288)
Accrued expenses | (297,214) | 53,860
Lease exit liability | (466,301) | (395,694)
Deferred revenue | (13,968,859) | (27,935,268)
Deferred rent | 87,035 | 404,727
Net cash used in operating activities | (12,988,440) | (24,281,449)
Cash flows from investing activities |  |
Purchases of property and equipment | (2,036,700) | (530,136)
Net cash used in investing activities | (2,036,700) | (530,136)
Cash flows from financing activities |  |
Proceeds from issuance of common stock | 851,183 | 44,309
Net cash provided by financing activities | 851,183 | 44,309
Net change in cash and cash equivalents | (14,173,957) | (24,767,276)
Cash and cash equivalents at beginning of period | 47,743,155 | 55,218,361
Cash and cash equivalents at end of period | $ 33,569,198 | $ 30,451,085

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