XML 41 R20.htm IDEA: XBRL DOCUMENT v3.8.0.1
SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
 12 Months Ended
Dec. 31, 2017
Valuation And Qualifying Accounts [Abstract]  
SCHEDULE II VALUATION AND QUALIFYING ACCOUNTS

(a) (2)

Financial Statement Schedules

SCHEDULE II — VALUATION AND QUALIFYING ACCOUNTS

For the years ended December 31, 2017 and 2016

(in thousands)

 

 

 

Balance at

beginning of

year

 

 

Additions (A)

 

 

Deductions (B)

 

 

Other (C)

 

 

Balance at

end of year

 

Allowance for doubtful accounts

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Year ended December 31, 2017

 

$

167

 

 

$

—

 

 

$

—

 

 

$

—

 

 

$

167

 

Year ended December 31, 2016

 

$

797

 

 

$

—

 

 

$

(630

)

 

$

—

 

 

$

167

 

 

 

(A)

Includes charges to costs and expenses.

 

(B)

Deductions for uncollectible accounts receivable includes payments collected and devices recovered from customers.

 

(C)

Miscellaneous activity.