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Note 30 - Supplemental Cash Flow Disclosure (Details Textual) - USD ($) $ in Thousands			12 Months Ended
	Dec. 30, 2019	Jan. 01, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Aug. 22, 2020	Dec. 31, 2018
Interest Paid, Excluding Capitalized Interest, Operating Activities			$ 6,388	$ 8,711	$ 7,265
Income Taxes Paid			166	234	30
Proceeds from Income Tax Refunds			96	82	48
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary			0	0	(23)
Increase (Decrease) in Other Investments	$ 7,779			(9,694)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			61,678	9,694
Operating Lease, Right-of-Use Asset			10,273	6,063
Operating Lease, Liability, Total			10,813	6,531
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance			149,506	101,437	48,756		$ 42,438
Increase (Decrease) in Other Receivables			$ (726)	$ (42,696)	34,535
Preferred Stock, Shares Issued, Total (in shares)			27,413,098	27,413,098
Series F Preferred Stock [Member]
Preferred Stock, Shares Issued, Total (in shares)	22,429,541		22,429,541
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset		$ 8,416
Operating Lease, Liability, Total		8,860
Increase (Decrease) in Other Receivables		18
Increase (Decrease) in Other Operating Liabilities, Total		(406)
Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance		$ 20					(20)
Discontinued Operations, Disposed of by Sale [Member] | ViaNova [Member]
Disposal Group, Transferred On RTL, Fair Value						$ 2,243
Distribution Settlement with Vellar GP [Member]
Increase (Decrease) in Due from Related Parties, Total			$ (2,103)
Increase (Decrease) in Other Investments			701
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			1,402
MetroMile Merger Distribution [Member]
Increase (Decrease) in Other Investments			(31,049)
Increase (Decrease) in Equity Method Affiliates			(3,958)
Distribution Relating to the SPAC Merger [Member]
Increase (Decrease) in Other Investments			(20,119)
In-kind Distribution from Equity Method Affiliate [Member]
Increase (Decrease) in Equity Method Affiliates			(5,439)
Increase (Decrease) in Other Investment			5,439
In-kind Distributions from Other Consolidated Subsidiaries [Member]
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			2,415
Increase (Decrease) in Other Investment			(2,415)
Additional Paid-in Capital [Member]
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary			(1,929)	$ (1,765)	28
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(0)	(0)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance			72,006	65,031	68,714		68,591
Additional Paid-in Capital [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance							0
AOCI Attributable to Parent [Member]
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary			(10)	59	(4)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			(0)	(0)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance			(905)	(821)	(915)		(908)
AOCI Attributable to Parent [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance							0
Noncontrolling Interest [Member]
Minority Interest, Increase (Decrease) Related to Units of Consolidated Subsidiary			1,939	1,706	(47)
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders			61,678	9,694
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance			$ 88,091	$ 57,528	$ 15,437		6,664
Noncontrolling Interest [Member] | Accounting Standards Update 2016-02 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance							$ 0

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