v2.3.0.11
Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands
 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Operating activities    
Net (loss) income $ (8,563) $ 1,054
Adjustments to reconcile net (loss) income to net cash provided by operating activities:    
Depreciation 6,391 3,486
Amortization of intangible assets resulting from acquisitions 4,428 1,165
Provision for bad debts 69 17
Stock-based compensation 11,031 6,165
Amortization of deferred rent (482) (440)
Amortization of bond premium   173
Deferred tax (benefit) provision (1,484) 1,072
Loss on asset disposal 8 1
Changes in operating assets and liabilities:    
Accounts receivable 1,417 1,623
Prepaid expenses and other current assets (736) 47
Accounts payable, accrued expenses, and other liabilities 7,218 2,233
Deferred revenues (125) 3,688
Deferred rent 520 407
Net cash provided by operating activities 19,692 20,692
Investing activities    
Acquisitions, net of cash acquired (834) (16,788)
Sales and maturities of investments   25,324
Purchase of property and equipment (4,222) (2,624)
Net cash (used in) provided by investing activities (5,056) 5,912
Financing activities    
Proceeds from the exercise of common stock options 271 789
Repurchase of common stock (6,081) (3,608)
Principal payments on capital lease obligations (2,653) (420)
Debt issuance costs (69)  
Net cash used in financing activities (8,532) (3,239)
Effect of exchange rate changes on cash 105 (322)
Net increase in cash and cash equivalents 6,209 23,043
Cash and cash equivalents at beginning of period 33,736 58,284
Cash and cash equivalents at end of period $ 39,945 $ 81,327