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Commitments (Tables)
12 Months Ended
Dec. 31, 2017
Commitments  
Schedule of future minimum payments under non-cancelable operating lease

 

        Future minimum payments required under the non-cancelable operating lease as of December 31, 2017 are summarized as follows (in thousands):

                                                                                                                                                                                    

Period Ending December 31,

 

Amount

 

2018

 

 

1,379

 

2019

 

 

1,421

 

2020

 

 

721

 

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Total minimum lease payments

 

$

3,521

 

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