Note 5 - Stockholders' Equity (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended		3 Months Ended	63 Months Ended
	May 23, 2013	Mar. 15, 2013	May 31, 2012	May 31, 2013
Stockholders' Equity Note Disclosure [Text Block]
Stock Repurchase Program, Authorized Amount (in Dollars)				$ 3.0
Stock Repurchased During Period, Shares (in Shares)			33,800
Treasury Stock Acquired, Average Cost Per Share			$ 10.73
Common Stock, Dividends, Per Share, Cash Paid		$ 0.11
Common Stock, Dividends, Per Share, Declared	$ 0.11