Note 17 - Share-Based Compensation (Details) - Option Activity (USD $)	0 Months Ended		12 Months Ended
	May 31, 2014		May 31, 2014		May 30, 2013
Employee Stock Option [Member]
Note 17 - Share-Based Compensation (Details) - Option Activity [Line Items]
Outstanding	141,279				148,429
Outstanding, weighted average exercise price	$ 100.00				$ 100.00
Outstanding, weighted average remaining contractual life	7 years 292 days
Outstanding, aggregate intrinsic value		[1]		[1]
Exercisable	51,661		51,661
Exercisable, weighted average exercise price	$ 100.00		$ 100.00
Exercisable, weighted average remaining contractual life	7 years 219 days
Exercisable, aggregate intrinsic value		[1]		[1]
Granted			4,250
Granted, weighted average exercise price			$ 100.00
Forfeited			(7,200)
Forfeited, weighted average exercise price			$ 100.00
Expired or cancelled			(4,200)
Expired or cancelled, weighted average exercise price			$ 100.00
Outstanding	141,279		141,279		148,429
Outstanding, weighted average exercise price	$ 100.00		$ 100.00		$ 100.00
Performance Shares [Member]
Note 17 - Share-Based Compensation (Details) - Option Activity [Line Items]
Outstanding	136,279		141,529
Outstanding, weighted average exercise price	$ 100.00		$ 100.00
Outstanding, weighted average remaining contractual life	7 years 292 days
Outstanding, aggregate intrinsic value		[1]		[1]
Exercisable, aggregate intrinsic value		[1]		[1]
Granted			4,250
Granted, weighted average exercise price			$ 100.00
Forfeited			(9,500)
Forfeited, weighted average exercise price			$ 100.00
Outstanding	136,279		136,279
Outstanding, weighted average exercise price	$ 100.00		$ 100.00

[1] The aggregate intrinsic value in the above table represents the total pre-tax amount that a participant would receive if the option had been exercised on the last day of the respective fiscal year. Options that are underwater are not included in the intrinsic value amount.