Note 13 - Shareholders' Equity (Details) - Dividends (USD $)	12 Months Ended
	Dec. 31, 2014
Dividend Paid 1 [Member]
Dividends Payable [Line Items]
Dividends Payable, Record Date	Aug. 04, 2014
Dividends Payable, Payment Date	Aug. 18, 2014
Cash Dividend per Common Share	$ 0.05
Dividend Paid 2 [Member]
Dividends Payable [Line Items]
Dividends Payable, Record Date	Nov. 03, 2014
Dividends Payable, Payment Date	Nov. 17, 2014
Cash Dividend per Common Share	$ 0.05