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Capital Requirements (Narrative) (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Assets | $ 28,473,000 | $ 18,177,000
Cash and cash equivalents | 3,082,000 | 7,229,000
MSCO [Member] |  |
Net capital | 4,400,000 | 8,900,000
Minimum net capital required | 250,000 | 250,000
Net capital in excess of minimum requirement | 4,200,000 | $ 8,700,000
Weeden Prime Services LLC [Member] |  |
Net capital | 3,900,000 |
Minimum net capital required | 250,000 |
Net capital in excess of minimum requirement | $ 3,700,000 |

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- Definition Minimum amount of net capital required to be maintained by broker-dealer subsidiary to engage in security transaction, calculated under Aggregate Indebtedness Standard. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + Details
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