v3.8.0.1
Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Cash flows from operating activities    
Net loss $ (2,773) $ (6,773)
Adjustments to reconcile net loss including non-controlling interests to net cash provided by operating activities:    
Depreciation and amortization of property and equipment 20,606 14,985
Amortization of intangible assets 727 911
Impairment loss and loss on disposal of fixed assets 70 9
Stock-based compensation 3,126 3,044
Change in deferred income taxes 0 121
Other 0 2
Changes in operating assets and liabilities:    
Accounts receivable (3,799) 14,844
Prepaid expenses and other assets 551 (301)
Accounts payable 706 (2,434)
Accrued expenses and other liabilities 1,014 (1,132)
Deferred revenue (2,958) 2,256
Net cash provided by operating activities 17,270 25,532
Cash flows from investing activities    
Purchases of property and equipment (21,117) (17,491)
Increase in restricted cash (512) 0
Payments for asset acquisition 0 (1,150)
Net cash used in investing activities (21,629) (18,641)
Cash flows from financing activities    
Principal payments on credit facility (219) (5,438)
Proceeds from exercise of stock options 4,228 439
Payments of capital leases and notes payable (1,450) (844)
Payments of withholding tax on net issuance of restricted stock units (6,340) (1,562)
Net cash used in financing activities (3,781) (7,405)
Effect of exchange rates on cash 7 7
Net decrease in cash and cash equivalents (8,133) (507)
Cash and cash equivalents at beginning of period 26,685 19,485
Cash and cash equivalents at end of period 18,552 18,978
Supplemental disclosure of non-cash investing and financing activities    
Property and equipment costs in accounts payable, accrued expenses and other liabilities 20,377 13,797
Purchase of equipment and prepaid maintenance services under capital financing arrangements 1,930 574
Capitalized stock-based compensation included in property and equipment costs 186 194
Non-controlling interest distributions declared but unpaid $ 0 $ 125