Note 25 - Net Capital Requirements - Statutory Net Capital Requirements (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Actual Net Capital or Liquid Capital	$ 68,826	$ 61,610
Amount Required	957	1,695
Excess	67,869	59,915
JVB's [Member]
Actual Net Capital or Liquid Capital	66,803	58,821
Amount Required	250	565
Excess	66,553	58,256
CCFEL [Member]
Actual Net Capital or Liquid Capital	2,023	2,246
Amount Required	707	948
Excess	$ 1,316	1,298
CCFL [Member]
Actual Net Capital or Liquid Capital		543
Amount Required		182
Excess		$ 361

Amount of net capital in excess of minimum required net capital, calculated under Aggregate Indebtedness Standard.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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Minimum amount of net capital required to be maintained by broker-dealer and its subsidiary, calculated under Aggregate Indebtedness Standard.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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Amount of net capital of broker-dealer.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher SEC
-Name Rule 15c3-1
-Number 240
-Section 15c3-1

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