v3.6.0.2
Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Cash flows from operating activities      
Net loss $ (26,983) $ (22,178) $ (18,767)
Adjustments to reconcile net loss including non-controlling interests to net cash provided by operating activities:      
Depreciation and amortization of property and equipment 49,202 38,293 27,446
Amortization of intangible assets 3,448 3,576 3,716
Bad debt expense 116 304 191
Impairment loss 66 242 959
Stock-based compensation 12,805 9,398 7,164
Change in fair value of contingent consideration 0 (114) (811)
Change in deferred income taxes 303 320 468
Changes in operating assets and liabilities:      
Accounts receivable 526 (16,050) (11,583)
Prepaid expenses and other assets (835) (3,459) (1,935)
Accounts payable (465) 3,845 (2,252)
Accrued expenses and other liabilities 6,017 4,569 4,739
Deferred revenue 71,005 79,829 11,872
Net cash provided by operating activities 115,205 98,575 21,207
Cash flows from investing activities      
Purchases of property and equipment (107,271) (103,116) (70,945)
Proceeds from sales of marketable securities 0 1,614 58,511
Purchases of marketable securities 0 0 (27,163)
Decrease in restricted cash 0 0 545
Payments for asset and business acquisitions (60) 0 (147)
Net cash used in investing activities (107,331) (101,502) (39,199)
Cash flows from financing activities      
Proceeds from credit facility 5,000 20,000 3,500
Principal payments on credit facility (5,656) (5,875) 0
Debt issuance costs (124) (62) (711)
Proceeds from exercise of stock options 2,984 1,373 1,158
Payments of capital leases and notes payable (2,212) (814) (627)
Payment of holdback consideration 0 (1,600) 0
Payment of other acquisition related consideration 0 (17) (1,255)
Payments of withholding tax on net issuance of restricted stock units (2,827) (2,512) (1,922)
Payments to non-controlling interest (286) (500) (623)
Purchase of non-controlling interests 0 (1,150) 0
Net cash (used in) provided by financing activities (3,121) 8,843 (480)
Effect of exchange rates on cash 14 (47) (17)
Net increase (decrease) in cash and cash equivalents 4,767 5,869 (18,489)
Cash and cash equivalents at beginning of year 14,718 8,849 27,338
Cash and cash equivalents at end of year 19,485 14,718 8,849
Supplemental disclosure of cash flow information      
Cash paid for interest 418 347 33
Cash paid (received) for taxes, net of refunds 163 62 (53)
Supplemental disclosure of non-cash investing and financing activities      
Property and equipment costs in accounts payable, accrued expenses and other liabilities 16,976 45,417 11,647
Purchase of equipment and prepaid maintenance services under capital financing arrangements 6,629 3,839 361
Purchase of intangible asset $ 1,150 $ 0 $ 0