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Intangible assets, net (Tables)
12 Months Ended
Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets Other than Goodwill

Intangible assets other than goodwill consist of the following:

 

     Weighted average
amortization period
     As of December 31,  
      2014      2013  

Gross amount

        

Lease agreements

     6 years       $ 2,200       $ 2,200   

Accumulated amortization

        

Lease agreements

        (565      (199
     

 

 

    

 

 

 

Net intangible assets

Lease agreements

$ 1,635    $ 2,001