Note 14 - Intangible Asset (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Apr. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Intangible Assets, Net (Excluding Goodwill)   $ 1,408   $ 1,408
Payments to Acquire Intangible Assets $ 1,408 $ 1,408