Note 16 - Preferred Stock (Details Textual) - USD ($)		11 Months Ended
	Jun. 26, 2018	Dec. 13, 2017
Non-voting Noncumulative Non-convertible Series E Perpetual Preferred stock [Member]
Stock Issued During Period, Shares, Conversion of Convertible Securities		6,198
Non-voting Noncumulative Non-convertible Series F Perpetual Preferred Stock [Member]
Stock Issued During Period, Shares, Conversion of Convertible Securities		4,304
Preferred Stock, Redemption Price Per Share		$ 1,000
Preferred Stock, Dividend Rate, Percentage		2.00%
Series E and Series F Preferred Stock [Member]
Payments for Repurchase of Preferred Stock and Preference Stock	$ 3,500,000
Preferred Stock, Liquidation Preference, Value	$ 10,500,000