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Subsequent Event (Details) - USD ($)
Nov. 09, 2017
Aug. 23, 2017
Jun. 08, 2017
May 30, 2017
Dec. 22, 2017
Director | Subsequent Event          
Subsequent Event [Line Items]          
Percent of ownership after sale of stock to related parties 5.00%        
Series A Preferred Stock | Director          
Subsequent Event [Line Items]          
Stock sold to related party, value   $ 500,000 $ 50,000 $ 500,000  
Stock sold to related party (in dollars per share)   $ 762.85 $ 910 $ 910  
Series A Preferred Stock | Director | Subsequent Event          
Subsequent Event [Line Items]          
Stock sold to related party, value $ 500,000        
Stock sold to related party (in dollars per share) $ 762.85        
Period Ending December 31, 2017 | Eleventh Amendment | Subsequent Event          
Subsequent Event [Line Items]          
Maximum change in deferred revenue         $ 1,900,000