Note 13 - Net Income Attributable to Controlling Interests Per Common Share - Summary of Earning Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		12 Months Ended
		Dec. 31, 2019	Dec. 31, 2018
Net income attributable to controlling interests		$ 26,443	$ 7,856
Preferred stock dividends and accretion		(1,153)
Net income attributable to common shareholders		$ 25,290	$ 7,856
Basic (including unvested share-based payment awards) (1) (in shares)	[1]	14,499	13,927
Effect of dilutive stock compensation arrangements (in shares)		774	75
Diluted (including unvested share-based payment awards) (1) (in shares)	[1]	15,273	14,002
Net income attributable to common shareholders per common share—basic (in dollars per share)		$ 1.74	$ 0.56
Net income attributable to common shareholders per common share—diluted (in dollars per share)		$ 1.66	$ 0.56

[1] Shares related to unvested share-based payment awards included in our basic and diluted share counts were 512,636 for the year ended December 31, 2019, compared to 272,172 for the year ended December 31, 2018.