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Organization (Details) - USD ($)
1 Months Ended
Jan. 31, 2020
Aug. 21, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 04, 2019
Jan. 31, 2019
Dec. 31, 2018
Business Acquisition [Line Items]              
Common stock, par value       $ 0.01     $ 0.01
Siebert Technologies, LLC. [Member]              
Business Acquisition [Line Items]              
Total consideration of acquisition   $ 690,000          
Park Wilshire Companies, Inc. [Member]              
Business Acquisition [Line Items]              
Total consideration of acquisition     $ 110,000        
StockCross Financial Services, Inc. [Member]              
Business Acquisition [Line Items]              
Percentage of acquired interest           15.00%  
StockCross Financial Services, Inc. [Member] | Subsequent Event [Member]              
Business Acquisition [Line Items]              
Percentage of remaining interest in StockCross purchased under binding letter of intent 85.00%            
Issue of common share in exchange under acquisition 3,298,774            
Weeden Prime Services LLC [Member]              
Business Acquisition [Line Items]              
Percentage of acquired interest         100.00%