Note 22 - Subsequent Events (Details Textual) - Subsequent Event [Member] - $ / shares	Jan. 06, 2017	Jan. 18, 2017
Share Price		$ 10.20
Stern Stockholders [Member]
Voting Agreement, Related Party Maximum Percentage of Voting Right	49.00%
Settlement Agreement [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	5,314,009
Stock Repurchase Program, Purchase Price Per Share	$ 10.35
Settlement Agreement [Member] | Mangrove [Member]
Stock Repurchase Program, Number of Shares Authorized to be Repurchased	4,005,701