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Note 17 - Employee Benefit Plans (Details) - Funded status of postretirement benefit plans (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2011
Change in benefit obligation      
Service cost $ 13 $ 19 $ 12
Interest cost 49 101 106
Postretirement Benefit Other Than Pensions [Member]
      
Change in benefit obligation      
Benefit obligation 2,002 1,808  
Service cost 13 19  
Interest cost 49 101  
Employer contribution 86 114  
Plan participants' contribution 34 36  
Actuarial loss (gain) 4 188  
Curtailment (78)    
Settlement (1,712)    
Benefits paid (120) (150)  
Funded Status (192) (2,002)  
Benefit obligation 192 2,002  
consist of:      
Current liabilities (36) (135)  
Non-current liabilities (156) (1,867)  
Net amount recognized (192) (2,002)  
Unrecognized net actuarial loss (65) (710)  
Unrecognized transition obligation   240  
Net amount recognized $ (65) $ (470)