Note 7 - Stockholder's Equity (Details Textual) - $ / shares |
3 Months Ended | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 15, 2017 |
Jan. 09, 2017 |
Dec. 05, 2016 |
Oct. 12, 2016 |
Sep. 06, 2016 |
Jul. 11, 2016 |
Jun. 06, 2016 |
Apr. 13, 2016 |
Mar. 03, 2016 |
Feb. 28, 2017 |
Feb. 29, 2016 |
|
Common Stock, Dividends, Per Share, Declared | $ 0.01 | $ 0.01 | $ 0.01 | $ 0.02 | $ 0.03 | ||||||
Common Stock, Dividends, Per Share, Cash Paid | $ 0.01 | $ 0.01 | $ 0.01 | ||||||||
Quarterly Dividend [Member] | |||||||||||
Common Stock, Dividends, Per Share, Declared | $ 0.01 | ||||||||||
Common Stock, Dividends, Per Share, Cash Paid | $ 0.01 | ||||||||||
Quarterly Dividend [Member] | Subsequent Event [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, Cash Paid | $ 0.01 |