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Receivables From, Payables To, and Deposits With Broker-Dealers and Clearing Organizations (Schedule of Receivable) (Details) - USD ($) | Sep. 30, 2021 | Dec. 31, 2020
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Receivables from and deposits with broker-dealers and clearing organizations |  |
DTCC / OCC / NSCC | $ 11,030,000 | $ 17,841,000
Goldman Sachs | 2,496,000 | 2,430,000
Pershing Capital | 1,178,000 | 1,266,000
NFS | 1,006,000 | 1,061,000
Securities fail-to-deliver | 128,000 | 379,000
Globalshares | 21,000 | 46,000
Other receivables | 18,000 |
Total Receivables from and deposits with broker-dealers and clearing organizations | 15,877,000 | 23,023,000
Payables to broker-dealers and clearing organizations |  |
Securities fail-to-receive | 3,093,000 | 1,810,000
Payables to broker dealers | 39,000 |
Total Payables to broker-dealers and clearing organizations | $ 3,132,000 | $ 1,810,000

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