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Stockholders' Equity (Activity Under 2000 Non-Management Stock Option Plan) (Detail) (USD $)
 12 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Options Outstanding      
Options Granted 720,300 280,450 1,121,700
Balance, ending 2,738,250    
Weighted Average Price      
Options Granted $ 3.21 $ 1.21 $ 0.54
Balance, ending $ 1.98    
2000 Non-Management Stock Option Plan [Member]
      
Shares Available for Grant      
Balance, beginning   1,578 42,589
Options Granted      (56,000)
Options Forfeited / Expired 3,389 58,293 14,989
Balance, ending     1,578
Plan Shares Expired   (59,871)  
Options Outstanding      
Balance, beginning 108,521 192,767 152,256
Options Granted   (25,953) 56,000
Options Exercised (27,655)   (500)
Options Forfeited / Expired (3,389) (58,293) (14,989)
Options Forfeited / Expired (3,389) (58,293) (14,989)
Balance, ending 77,477 108,521 192,767
Weighted Average Price      
Balance, beginning $ 1.68 $ 7.07 $ 10.29
Options Granted   $ 0.90 $ 0.71
Options Exercised $ 1.59   $ 0.80
Options Forfeited / Expired $ 11.46 $ 19.86 $ 16.27
Plan Shares Expired       
Balance, ending $ 1.28 $ 1.68 $ 7.07