Note 8 - Stockholder's Equity (Details Textual) (USD $)	0 Months Ended	3 Months Ended		0 Months Ended
	Dec. 03, 2014	Feb. 28, 2015	Feb. 28, 2014	Mar. 02, 2015
Common Stock, Dividends, Per Share, Declared	$ 0.02	$ 0.02	$ 0.03
Subsequent Event [Member]
Common Stock, Dividends, Per Share, Declared				$ 0.01
Quarterly Dividend [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.01
Special Cash Distribution [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.01