Note 8 - Stockholder's Equity (Details Textual) - $ / shares |
3 Months Ended | 9 Months Ended | ||||||
---|---|---|---|---|---|---|---|---|
Sep. 02, 2015 |
Jun. 04, 2015 |
Mar. 02, 2015 |
Dec. 03, 2014 |
Aug. 31, 2015 |
Aug. 31, 2014 |
Aug. 31, 2015 |
Aug. 31, 2014 |
|
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 | |||||||
Common Stock, Dividends, Per Share, Declared | $ 0.01 | $ 0.01 | $ 0.02 | $ 0.01 | $ 0.01 | $ 0.04 | $ 0.05 |