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Warants (Details) - $ / shares
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Warrants Details    
Warrant remaining to purchase a total shares of common stock 80,000  
Warrant remaining to purchase a total shares of common stock at an exercise price per share $ 8.10  
Warrants to purchase shares will expire on October 17, 2019 80,000  
Warrant to purchase shares expired on January 10, 2016 10,938  
Warrant to purchase shares will expire on June 4, 2016 1,563  
Warrant to purchase shares of common stock   12,500
Warrant to purchase shares of common stock at an exercise price per share   $ 16.00
Warrant to purchase shares of common stock   10,186
Warrant to purchase shares of common stock at an exercise price per share   $ 30.00
Warrant to purchase shares of common stock   71,297
Warrant to purchase shares of common stock at an exercise price per share   $ 30.00