| Property and equipment |
4. Property and equipment
The following is a summary of property and equipment, at cost less accumulated depreciation and amortization:
|
|
|
June 30,
2018
|
|
December 31,
2017
|
|
|
Leasehold improvements
|
|
$
|
434,112
|
|
$
|
418,023
|
|
|
Software
|
|
46,389
|
|
42,281
|
|
|
Construction in progress
|
|
39,055
|
|
27,291
|
|
|
Computer equipment
|
|
13,378
|
|
13,245
|
|
|
Furniture, fixtures and office equipment
|
|
1,769
|
|
1,806
|
|
|
|
|
|
|
|
|
|
Total property and equipment
|
|
534,703
|
|
502,646
|
|
|
Less: accumulated depreciation and amortization
|
|
(256,419
|
)
|
(240,287
|
)
|
|
|
|
|
|
|
|
|
Total property and equipment, net
|
|
$
|
278,284
|
|
$
|
262,359
|
|
|
|
|
|
|
|
|
|
|
Depreciation and amortization expense, which includes depreciation and amortization for property and equipment under capital leases, is allocated as follows in the accompanying condensed consolidated statements of operations:
|
|
|
Three Months Ended
June 30,
|
|
Six Months Ended
June 30,
|
|
|
|
|
2018
|
|
2017
|
|
2018
|
|
2017
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Network access
|
|
$
|
10,134
|
|
$
|
9,354
|
|
$
|
23,721
|
|
$
|
17,729
|
|
|
Network operations
|
|
4,314
|
|
4,131
|
|
8,570
|
|
8,286
|
|
|
Development and technology
|
|
2,568
|
|
2,270
|
|
5,076
|
|
4,465
|
|
|
General and administrative
|
|
246
|
|
259
|
|
501
|
|
519
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Total depreciation and amortization of property and equipment
|
|
$
|
17,262
|
|
$
|
16,014
|
|
$
|
37,868
|
|
$
|
30,999
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|