Note 14 - Shareholder Rights Plan (Details Textual) - Stockholder Rights Plan [Member]	Aug. 07, 2014 $ / shares shares
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right | shares	1
Voting Power in Outstanding Stock Percentage	15.00%
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 25
Redemption Value Per Redeemable Share at Period End	$ 0.001
Minimum [Member]
Voting Power in Outstanding Stock Percentage	15.00%