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Equity Instruments - Luoxis Stock Option Activity (Detail) - Luoxis Diagnostics [Member] - USD ($)
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2013
Number of Options      
Number of Options, Beginning Balance 430,077 396,994  
Number of Options, Granted 195,189 33,083  
Number of Options, Exercised 0 0  
Number of Options, Forfeited/Cancelled 625,266    
Number of Options, Ending Balance   430,077 396,994
Number of Options, Exercisable 0    
Number of Options, Available for grant 0    
Weighted Average Exercise Price      
Weighted Average Exercise Price, Beginning Balance $ 4.53 $ 4.53  
Weighted Average Exercise Price, Granted 7.25 4.53  
Weighted Average Exercise Price, Exercised 0 0  
Weighted Average Exercise Price, Forfeited/Cancelled 5.40    
Weighted Average Exercise Price, Ending Balance   $ 4.53 $ 4.53
Weighted average exercise price, Exercisable $ 0    
Weighted Average Remaining Contractual Life      
Weighted Average Remaining Contractual Life, Outstanding   9 years 4 days 9 years 11 months 16 days
Aggregate Intrinsic Value      
Aggregate Intrinsic Value, Beginning Balance $ 1,374,000 $ 1,272,000  
Aggregate Intrinsic Value, Ending Balance   $ 1,374,000 $ 1,272,000