Annual report pursuant to Section 13 and 15(d)

Nature of Business and Summary of Significant Accounting Policies (Tables)

v3.19.1
Nature of Business and Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2018
Accounting Policies [Abstract]  
Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net
Changes to the allowance for doubtful accounts consisted of the following (in thousands):
 
 
Year Ended December 31,
Allowance for Doubtful Accounts:
 
2018
 
2017
 
2016
Balance at beginning of year
 
$
21

 
$
34

 
$
24

Write-offs
 

 
(11
)
 
(11
)
Change in provision
 
40

 
(2
)
 
21

Balance at end of year
 
$
61

 
$
21

 
$
34