Note 1 - Organization and Description of Business - Deconsolidation of the CLO's and JMPCA (Details) - USD ($) $ in Thousands		Mar. 19, 2019		Mar. 31, 2019	Dec. 31, 2018
Cash received:		$ 7,942
Investments fair value		74,989	[1]	$ 13,530	$ 9,913
Non-controlling interest, at carrying value		12,842		$ (186)	$ 13,499
Total of consideration received, retained interest, and non-controlling interest		95,773
Gain on deconsolidation		3,192
CLO's and JMPCA [Member]
Net assets of deconsolidated subsidiaries at carrying value	[2]	$ 92,581

[1] The fair value of the Company's retained interest in CLO III, CLO IV, CLO V, CLO VI, and JMPCA as of the deconsolidation date was $13.3 million, $27.8 million, $26.5 million, $3.8 million, and $3.6 million, respectively

[2] The book value of the net assets of CLO III, CLO IV, CLO V, CLO VI, and JMPCA as of the deconsolidation date was $24.5 million, $30.2 million, $25.8 million, $11.6 million, and $0.5 million, respectively