v2.4.0.6
Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Sep. 30, 2012
Sep. 30, 2011
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2009
Cash flows from operating activities:              
Net income (loss) $ (6,684) $ 4,803 $ (27,417) $ 5,148 $ 9,830 $ (29,705) $ (5,906)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:              
Depreciation and amortization 2,045 502 8,842 1,794 1,472 369 164
Amortization of premiums on short-term investments, net     594        
Amortization of deferred commissions 3,492 1,642 9,264 3,942 4,023 2,189 458
Stock-based compensation 5,637 1,121 18,588 4,224 2,954 545 127
Tax benefit from exercise of stock options (41) (117) (533) (21) (138)    
Expense for preferred stock warrants           702 61
Bad debt expense     148     64 5
(Gain) Loss on disposal of property and equipment 72   (1) 60 60    
Lease abandonment costs     2,922        
Changes in operating assets and liabilities:              
Accounts receivable (20,365) (7,631) (11,065) (7,768) (14,762) (5,176) (1,981)
Deferred commissions (8,313) (2,180) (20,525) (6,419) (5,568) (5,271) (1,694)
Prepaid expenses and other current assets (1,355) [1] (560) [1] 4,242 [1] (2,092) [1] (2,872) [1] (4,851) [1] (778) [1]
Other assets (90) (88) (35) (268) (308) (91) 97
Accounts payable 1,490 (845) (106) 1,866 254 912 191
Accrued expenses and other current liabilities 6,921 1,569 4,644 4,239 5,438 8,901 2,443
Deferred rent (151) (57) (2,957) 3,153 3,179 (85) 62
Deferred revenue 29,990 12,557 43,081 28,589 33,915 23,953 6,911
Other long-term liabilities 572 (5) 2,409 (6) (9) 12  
Net cash provided by (used in) operating activities 13,220 10,711 32,095 36,441 37,468 (7,532) 160
Cash flows from investing activities:              
Purchases of property and equipment (7,959) (2,057) (32,156) (9,193) (8,733) (1,584) (327)
Purchases of short-term investments     (146,922)        
Sale of short-term investments     1,025        
Maturities of short-term investments     5,800        
Restricted cash   200 8 150 350 129 (524)
Net cash used in investing activities (7,959) (1,857) (172,245) (9,043) (8,383) (1,455) (851)
Cash flows from financing activities:              
Net proceeds from initial public offering     169,799        
Proceeds from exercise of stock options 1,284 105 2,349 1,309 446 241 7
Proceeds from early exercise of stock options 844   1,024 1,457 643    
Tax benefit from exercise of stock options 41 117 533 21 138    
Net proceeds from issuance of convertible preferred stock           51,245 5,907
Net proceeds from issuance of common stock     17,848        
Purchases of common stock and restricted stock from stockholders (15)   (1,960)     (20,814) (2,213)
Net cash provided by financing activities 2,154 222 189,593 2,787 1,227 30,672 3,701
Foreign currency effect on cash and cash equivalents 820 (21) (555) 394 139 (71) 6
Net increase in cash and cash equivalents 8,235 9,055 48,888 30,579 30,451 21,614 3,016
Cash at beginning of period 59,853 29,402 68,088 38,457 29,402 7,788 4,772
Cash and cash equivalents at end of period 68,088 38,457 116,976 69,036 59,853 29,402 7,788
Supplemental disclosures of other cash flow information:              
Interest paid   1 3 4 5 10 4
Taxes paid 360   1,241 1,758 1,403 4 5
Non-cash investing and financing activities:              
Property and equipment included in accounts payable and accrued expenses 6,296 369 3,768 1,785 756 196 7
Property and equipment acquired under capital leases           25  
Vesting of early exercised stock options 208   1,287 109 36    
Accretion of preferred stock dividends and issuance costs 312 320 308 471 633 640 625
Deferred offering costs not yet paid     $ 15        
[1] Includes $5.3 million payment received from our founder during the nine months ended September 30, 2012. Refer to Note 15.