| 
           Intangible Assets (Detail) (USD $) 
         | 
        3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
| 
           Mar. 31, 2013 
         | 
        
           Mar. 31, 2012 
         | 
        
           Mar. 31, 2013 
         | 
        
           Mar. 31, 2012 
         | 
      |
| Impairment of Intangible Assets, Finite-lived | $ 0 | $ 0 | $ 0 | $ 0 | 
| Amortization of Intangible Assets | $ 84,549 | $ 81,178 | $ 249,701 | $ 240,036 | 
| 
           Minimum [Member] | Developed Technology Rights [Member] 
         | 
        ||||
| Finite-Lived Intangible Asset, Useful Life | 18 years | |||
| 
           Maximum [Member] | Developed Technology Rights [Member] 
         | 
        ||||
| Finite-Lived Intangible Asset, Useful Life | 23 years | |||
| 
           Patents [Member] 
         | 
        ||||
| Finite-Lived Intangible Asset, Useful Life | 10 years | |||
| X | ||||||||||
| 
             
- Definition 
          The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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| X | ||||||||||
| 
             
- Definition 
          Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available. 
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| X | ||||||||||
| 
             
- Definition 
          The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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