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Revenue (Tables)
 9 Months Ended
Sep. 30, 2018
Revenue  
Schedule of amounts recorded in accrued liabilities

 

 

 

 

 

 

 

 

 

 

 

 

September 30, 

 

June 30

 

December 31, 

 

 

2018

 

2018

 

2017

Contract liabilities

 

$

(648)

 

$

(927)

 

$

(924)

Revenue recognized in the nine and three months period ended as of September 30, 2018 from:

 

 

 

 

 

 

 

 

 

Amounts included in contract liabilities at the beginning of the period

 

$
776

 

$
425

 

Not Applicable