Note 14 - Shareholder Rights Plan (Details Textual) - $ / shares		12 Months Ended
	Aug. 07, 2014	Sep. 29, 2018
Share Holder Rights Expiration Date		Aug. 05, 2014
Stockholder Rights Plan [Member]
Class of Warrant or Right, Number of Securities Called by Each Warrant or Right		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
Plan Adoption Date		Aug. 07, 2014
Share Holder Rights Expiration Date		Aug. 06, 2024
Dividends Payable, Date of Record	Aug. 18, 2014
Stockholder Rights Plan [Member] | Minimum [Member]
Voting Power in Outstanding Stock Percentage	15.00%