v3.8.0.1
Accounts receivable, trade (Tables)
12 Months Ended
Dec. 31, 2017
Receivables [Abstract]  
Schedule of Accounts receivable, trade
Accounts receivable as of December 31, 2017 and 2016 consisted of the following:
 
 
 
December 31,
 
 
 
2017
 
2016
 
 
 
 
 
 
 
 
 
Accounts receivable
 
$
196
 
$
315
 
Allowance for doubtful accounts
 
 
(196)
 
 
(196)
 
 
 
$
-
 
$
119
 
Schedule of movements in allowance for doubtful accounts
The movements in allowance for doubtful accounts are as follows:
 
 
 
2017
 
2016
 
 
 
 
 
 
 
 
 
Balance at the beginning of the period
 
$
196
 
$
1
 
Addition
 
 
-
 
 
195
 
Balance at the end of the period
 
$
196
 
$
196