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Note H - Stockholders' Equity - Restricted Stock (Details) - $ / shares
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Restricted Stock [Member] | 2009 Omnibus Stock Incentive Plan [Member]    
Nonvested beginning balance (in shares) 163,280  
Nonvested weighted-average grant date fair value (in dollars per share) $ 5.28  
Granted (in shares) 105,000  
Granted weighted-average grant date fair value (in dollars per share) $ 5.51  
Vested (in shares) (64,146)  
Vested weighted-average grant date fair value (in dollars per share) $ 5.20  
Forfeited (in shares) 0  
Forfeited weighted-average grant date fair value (in dollars per share) $ 0  
Nonvested ending balance (in shares) 204,134 163,280
Nonvested weighted-average grant date fair value (in dollars per share) $ 5.42 $ 5.28
Restricted Stock [Member]    
Granted weighted-average grant date fair value (in dollars per share) $ 5.51 $ 5.56