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Acquisitions (Narrative) (Details) - USD ($) | Jan. 02, 2020 | Jan. 31, 2019 | Jan. 25, 2019
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When StockCross Merged with MSCO [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Ownership percentage acquired | 85.00% |  |
StockCross [Member] |  |  |
Business Acquisition [Line Items] |  |  |
Ownership percentage acquired | 85.00% | 15.00% | 15.00%
Purchase price | $ 29,750,000 |  |
Purchase price in shares as restricted stock | 3,298,774 |  |

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