Note 26 - Earnings Per Common Share - Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended								12 Months Ended
		Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017		Dec. 31, 2016		Dec. 31, 2015
Net income										$ 7,344		$ 5,259		$ 8,586
Less: Preferred stock extinguishment costs														102
Less: Preferred stock dividends														189
Income available to common shareholders		$ 7	$ 2,876	$ 2,209	$ 2,252	$ 2,297	$ 2,366	$ 1,556	$ (960)	$ 7,344		$ 5,259		$ 8,295
Weighted average shares - basic (in shares)		16,195	16,191	15,014	13,416	13,370	13,369	13,367	13,360	15,207	[1]	13,367	[1]	13,331	[1]
Effect of potentially dilutive common shares (2) (in shares)	[2]									103		58		34
Weighted average number of common shares outstanding - diluted (in shares)		16,306	16,288	15,113	13,521	13,476	13,439	13,425	13,403	15,310		13,425		13,365
Earnings per share - basic (in dollars per share)										$ 0.48		$ 0.39		$ 0.62
Earnings per share - diluted (in dollars per share)										$ 0.48		$ 0.39		$ 0.62
Employee Stock Option [Member]
Anti-dilutive securities not included in earnings per share calculation (in shares)												45		121
Restricted Stock [Member]
Anti-dilutive securities not included in earnings per share calculation (in shares)										7				41

[1] Excludes unvested restricted shares because they do not have dividend or voting rights.

[2] Represents the effects of the assumed exercise of stock options and vesting of non-participating restricted shares.