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 $ (9,935) $ (7,827)
Adjustments to reconcile net loss including non-controlling interests to net cash provided by operating activities:    
Depreciation and amortization of property and equipment 10,308 8,054
Amortization of intangible assets 865 893
Loss on disposal of fixed assets 19 91
Stock-based compensation 3,605 1,835
Change in fair value of contingent consideration 0 (114)
Change in deferred income taxes 140 122
Changes in operating assets and liabilities:    
Accounts receivable 845 (4,477)
Prepaid expenses and other assets (149) 199
Accounts payable 4,659 4,490
Accrued expenses and other liabilities 726 (2,221)
Deferred revenue 29,954 11,430
Net cash provided by operating activities 41,037 12,475
Cash flows from investing activities    
Proceeds from sales of marketable securities 0 1,614
Purchases of property and equipment (45,522) (16,600)
Net cash used in investing activities (45,522) (14,986)
Cash flows from financing activities    
Proceeds from credit facility 5,000 5,000
Proceeds from exercise of stock options 1,470 290
Principal payments on debt (219) (219)
Debt issuance costs (124) 0
Payments of capital leases and notes payable (718) (97)
Payments of withholding tax on net issuance of restricted stock units (999) (679)
Net cash provided by financing activities 4,410 4,295
Effect of exchange rates on cash 8 (14)
Net (decrease) increase in cash and cash equivalents (67) 1,770
Cash and cash equivalents at beginning of period 14,718 8,849
Cash and cash equivalents at end of period 14,651 10,619
Supplemental disclosure of non-cash investing and financing activities    
Property and equipment costs in accounts payable, accrued expenses and other liabilities 18,831 9,868
Purchase of equipment and prepaid maintenance services under capital financing arrangements $ 1,372 $ 2,297