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Note 1 - Principles of Consolidation and Basis of Presentation (Tables)
6 Months Ended
Dec. 31, 2014
Notes Tables  
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]
   
Three Months Ended
   
Six Months Ended
 
   
December 31,
   
December 31,
 
   
2014
   
2013
   
2014
   
2013
 
                                 
Anti-dilutive stock options
    888,950       1,252,770       401,200       1,252,770