Note 16 - Purchase of Financial Assets (Details) - USD ($) $ in Thousands					17 Months Ended
	Feb. 27, 2015	Sep. 23, 2014	May. 12, 2014	Feb. 27, 2014	Sep. 30, 2015
Transfers and Servicing [Abstract]
Loan Purchase Agreement, Financial Asset for Which Transfer is Accounted As a Purchase, Total Commitment to Purchase	$ 6,400	$ 18,100	$ 40,000
Loan Purchase Agreement, Financial Asset for Which Transfer is Accounted As a Purchase, Par Value Purchased	6,400	18,100		$ 12,900	$ 57,000
Loan Purchase Agreement Financial Asset for Which Transfer is Accounted as a Purchase Interest Accrued	17	77
Loan Purchase Agreement Financial Asset for Which Transfer is Accounted as a Purchase Net Discount (Premium)	91	377			18,100
Payments for Loans	$ 6,500	$ 18,500		$ 12,700	$ 39,600
Loan Purchase Agreement, Transfer Of Financial Assets Accounted For As a Purchase, Maximum Monthly Loan Purchase			$ 4,000