Acquisitions (Narrative) (Details) - USD ($)	1 Months Ended
Jan. 31, 2019	Jan. 02, 2020
When StockCross Merged with MSCO [Member]
Business Acquisition [Line Items]
Ownership percentage acquired		85.00%
StockCross [Member]
Business Acquisition [Line Items]
Ownership percentage acquired	15.00%	85.00%
Purchase price	$ 29,750,000
Purchase price in shares as restricted stock	3,298,774

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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