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Related Party Transactions - The Conversion (Details) - shares
12 Months Ended
Oct. 29, 2018
Jan. 18, 2018
Dec. 31, 2018
Preferred Series A      
The Conversion      
Shares converted from issuance 50,000   50,000
New shares issued upon conversion 5,852,142    
Series A-1 preferred stock      
The Conversion      
Shares converted from issuance 4,587,964    
New shares issued upon conversion 4,951,177 4,587,964