Quarterly report pursuant to Section 13 or 15(d)

Equipment and Network Infrastructure Financing Obligations (Details)

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Equipment and Network Infrastructure Financing Obligations (Details) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Capital Lease Obligations [Abstract]    
Equipment financing obligations $ 2,345 $ 1,292
IRU [1] 4,822 6,415
Amount representing interest (824) (881)
Present value of minimum lease payments 6,343 6,826
Less: current portion (3,027) (3,003)
Non-current portion $ 3,316 $ 3,823
[1] Purchase of an indefeasible right to use ("IRU") fiber network infrastructure owned by others.