Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows

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Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jan. 31, 2013
Jan. 31, 2012
Jan. 31, 2011
Operating Activities      
Net loss $ (38,148) $ (16,107) $ (1,764)
Adjustments to reconcile net loss to net cash provided by operating activities:      
Depreciation and amortization 7,076 4,455 1,578
(Gain) loss on disposition of assets 23 296 (15)
Stock-based compensation 25,500 9,187 1,612
Remeasurement of preferred stock warrants   4,499 869
Amortization of premium on investments 360 246  
Amortization of debt issuance cost and debt discount 264 190 4
Changes in assets and liabilities:      
Accounts receivable (36,672) (24,526) (22,979)
Prepaid expenses and other assets (3,752) 156 (2,421)
Accounts payable and accrued liabilities 4,963 (865) 5,482
Accrued royalties 19,261 15,742 9,036
Accrued compensation 9,598 8,147 2,375
Deferred revenue 10,034 3,322 9,763
Reimbursement of cost of leasehold improvements 1,243 616  
Net cash provided by (used in) operating activities (250) 5,358 3,540
Investing Activities      
Purchases of property and equipment (7,580) (11,644) (8,211)
Purchases of short-term investments (65,168) (66,890)  
Maturities of short-term investments 87,933 19,984  
Net cash provided by (used in) investing activities 15,185 (58,550) (8,211)
Financing Activities      
Borrowings under debt arrangements     3,644
Repayments of debt   (7,596) (392)
Proceeds from issuance of common stock 6,877 2,074 548
Tax withholdings related to net share settlements of restricted stock units (208)    
Proceeds from issuance of common stock to directors for cash     3,800
Proceeds from early exercise of stock options     1,705
Proceeds from exercise of preferred stock warrants   165  
Proceeds from issuance of redeemable convertible preferred stock, net of issuance costs     22,206
Proceeds from initial public offering net of offering costs   90,632  
Payment of dividends to preferred stockholders at initial public offering   (31,005)  
Proceeds from buyers in investor offer     7,908
Payments to sellers in investor offer     (7,908)
Excess tax benefit from stock-based compensation plans     44
Net cash provided by financing activities 6,669 54,270 31,555
Effects of foreign currency translation activities on cash and cash equivalents (5)    
Net increase in cash and cash equivalents 21,599 1,078 26,884
Cash and cash equivalents at beginning of year 44,126 43,048 16,164
Cash and cash equivalents at end of year 65,725 44,126 43,048
Supplemental disclosures of noncash financing activities      
Conversion of preferred stock warrants into common stock warrants   (2,151)  
Conversion of preferred stock into common stock   (124,341)  
Issuance of Series B redeemable convertible preferred stock upon exercise of warrant     142
Accruals of preferred stock dividends, net of reversals   25,218 (792)
Accretion of preferred stock issuance cost   110 300
Supplemental disclosures of cash flow information      
Cash paid during the period for income taxes   125  
Cash paid during the period for interest $ 289 $ 887 $ 371