v3.4.0.3
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Cash flows from operating activities    
Net loss $ (3,380) $ (5,468)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Depreciation and amortization 2,149 1,713
Stock-based compensation expense 3,544 2,048
Changes in operating assets and liabilities:    
Increase in accounts receivable, net (287) (3,955)
Decrease (increase) in advance to clients 575 (187)
Increase in prepaid expenses and other current assets (1,397) (2,433)
Increase in accounts payable 1,806 4,785
Decrease in accrued compensation and related benefits (6,459) (4,179)
Increase in accrued expenses and other liabilities 2,299 2,287
Increase in deferred revenue 7,373 4,246
Increase in payments to clients (309) (168)
Decrease in other assets and other liabilities, net 364 24
Net cash provided by (used in) operating activities 6,278 (1,287)
Cash flows from investing activities    
Purchases of property and equipment (345) (85)
Capitalized technology and content development cost expenditures (3,554) (3,270)
Other (68)  
Net cash used in investing activities (3,967) (3,355)
Cash flows from financing activities    
Proceeds from exercise of stock options 1,021 1,226
Other (351) (436)
Net cash provided by financing activities 670 790
Net increase (decrease) in cash and cash equivalents 2,981 (3,852)
Cash and cash equivalents, beginning of period 183,729 86,929
Cash and cash equivalents, end of period 186,710 83,077
Supplemental disclosure of non-cash investing and financing activities    
Accrued capital expenditures $ 467 $ 129