Quarterly report pursuant to Section 13 or 15(d)

Condensed Consolidated Statements of Cash Flows

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Condensed Consolidated Statements of Cash Flows (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Apr. 30, 2013
Apr. 30, 2012
Operating Activities    
Net loss $ (28,587) $ (20,228)
Adjustments to reconcile net loss to net cash used in operating activities:    
Depreciation and amortization 2,132 1,541
Loss on disposition of assets   32
Stock-based compensation 7,381 5,500
Amortization of premium on investments 42 92
Amortization of debt issuance cost and debt discount 66 66
Changes in assets and liabilities:    
Accounts receivable (1,908) (3,793)
Prepaid expenses and other assets 97 (433)
Accounts payable and accrued liabilities 2,927 1,022
Accrued royalties 2,629 4,314
Accrued compensation (5,420) (2,445)
Deferred revenue 8,033 2,509
Reimbursement of cost of leasehold improvements   1,243
Net cash used in operating activities (12,608) (10,580)
Investing Activities    
Purchases of property and equipment (4,434) (1,243)
Purchase of short-term investments (10,761) (17,641)
Maturities of short-term investments 13,980 28,100
Net cash provided by (used) in investing activities (1,215) 9,216
Financing Activities    
Proceeds from issuance of common stock 3,530 1,928
Net cash provided by financing activities 3,530 1,928
Effects of foreign currency translation on cash and cash equivalents 3  
Net increase (decrease) in cash and cash equivalents (10,290) 564
Cash and cash equivalents at beginning of period 65,725 44,126
Cash and cash equivalents at end of period $ 55,435 $ 44,690