Charged to 

Beginning

Cost and 

Ending 

Description

Balance

Expense

Deductions

Balance

Year ended December 31, 2016

Allowances for accounts receivable

$

1,060

$

(73)

$

17

$

970

Reserve for inventory obsolescence

$

16

$

 3

$

 4

$

15

Year ended December 31, 2017

Allowances for accounts receivable

$

970

$

(95)

$

13

$

862

Reserve for inventory obsolescence

$

15

$

 —

$

 3

$

12

Year ended December 31, 2018

Allowances for accounts receivable

$

862

$

(75)

$

 2

$

785

Reserve for inventory obsolescence

$

12

$

 —

$

 4

$

 8