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Organization (Details) - $ / shares | Jan. 02, 2020 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 02, 2019 | Jan. 25, 2019
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Business Acquisition [Line Items] |  |  |  |  |
Common stock, par value |  | $ 0.01 | $ 0.01 |  |
StockCross [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership percentage acquired |  |  |  |  | 15.00%
Percentage of remaining interest in StockCross purchased under binding letter of intent | 85.00% |  |  |  |
Issuance of common stock in StockCross acquisition | 3,298,774 |  |  |  |
Weeden Prime Services LLC [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Ownership percentage acquired |  |  |  | 100.00% |

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