Annual report pursuant to Section 13 and 15(d)

Note 10 - Subsequent Events (Details Textual)

v3.8.0.1
Note 10 - Subsequent Events (Details Textual) - Subsequent Event [Member]
 1 Months Ended
Feb. 28, 2018
$ / shares
Common Stock, Dividends, Per Share, Declared $ 1.05
Special [Member]  
Common Stock, Dividends, Per Share, Declared $ 3