Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards (USD $)	12 Months Ended	0 Months Ended
	Nov. 29, 2014	Jul. 13, 2012	Jul. 17, 2013	Jan. 15, 2014	Apr. 01, 2014
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted	123,737
July 13, 2012 [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted		1,398
Share value at grant date per share (in Dollars per share)		$ 11.69
Restricted period (years)		219 days
July 17, 2013 [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted			56,000
Share value at grant date per share (in Dollars per share)			$ 16.64
Restricted period (years)			3 years 219 days
January 15, 2014 [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted				54,000
Share value at grant date per share (in Dollars per share)				$ 14.12
Restricted period (years)				2 years 36 days
April 1, 2014 [Member]
Note 14 - Capital Stock and Stock Compensation (Details) - Restricted Stock Awards [Line Items]
Restricted shares granted					12,339
Share value at grant date per share (in Dollars per share)					$ 14.59
Restricted period (years)					109 days