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Schedule II - Valuation and Qualifying Accounts and Reserves
 12 Months Ended
Dec. 31, 2016
Valuation and Qualifying Accounts [Abstract]  
Schedule II - Valuation and Qualifying Accounts and Reserves
Schedule II – Valuation and Qualifying Accounts and Reserves

Alarm.com Holdings, Inc.
Schedule II
Valuation and Qualifying Accounts and Reserves
(In thousands)
Description
 
Balance at
Beginning of
Year
 
Additions
Charged
Against
(Credited to)
Revenue
 
Additions
Charged to
Other
Accounts
 
Deductions
 
Balance at
End of Year
Year ended December 31, 2016
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
 
$
1,315

 
$
—

 
$
648

 
$
(681
)
 
$
1,282

Allowance for product returns
 
2,116

 
2,071

 
—

 
(1,873
)
 
2,314

Year ended December 31, 2015
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
 
1,397

 
—

 
276

 
(358
)
 
1,315

Allowance for product returns
 
1,838

 
1,559

 
—

 
(1,281
)
 
2,116

Year ended December 31, 2014
 
 
 
 
 
 
 
 
 
 
Allowance for doubtful accounts
 
304

 
—

 
1,371

 
(278
)
 
1,397

Allowance for product returns
 
952

 
1,863

 
—

 
(977
)
 
1,838