Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Tables)

v3.8.0.1
Summary of Significant Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2017
Accounting Policies [Abstract]  
Summary of Allowance for Doubtful Accounts
A summary of activity in the allowance for doubtful accounts is as follows (amounts in thousands):
 
Balance
Beginning
 of Year
 
Charged
 to Expense
 
Write-Offs
and Other
 
Balance
 End of
 Year
2017
$
3,043

 
11,014

 
(9,895
)
 
4,162

2016
$
2,762

 
10,785

 
(10,504
)
 
3,043

2015
$
2,120

 
9,735

 
(9,093
)
 
2,762

Schedule of Useful Lives By Class of Asset
Estimated useful lives by class of asset are as follows:
Leasehold improvements
 
15 years or lease term, if shorter
Machinery and equipment
 
5 - 7 years
Computer systems and software (included in Machinery and Equipment in note 4, Property and Equipment)
 
3 - 5 years
Property and equipment consist of the following (amounts in thousands):
 
As of December 31,
 
2017
 
2016
Property and equipment, net:
 

 
 

Leasehold improvements
$
1,592

 
$
1,404

Machinery and equipment
68,840

 
55,691

 
70,432

 
57,095

Accumulated depreciation
(37,643
)
 
(28,825
)
 
$
32,789

 
$
28,270

Schedule of Future Amortization Expense
Based on subscriber accounts held at December 31, 2017, estimated amortization of subscriber accounts in the succeeding five fiscal years ending December 31 is as follows (amounts in thousands):
2018
$
201,427

2019
$
170,250

2020
$
149,189

2021
$
132,662

2022
$
121,209