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Other Assets (Tables)
12 Months Ended
Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Summary of Other Assets, Non-Current

Other assets, non-current at December 31 are summarized below:

 

     2014      2013  

Security deposit (buildings and equipment lease)

   $ 373,717       $ 413,717