Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Additional Information (Detail)

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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
 1 Months Ended 12 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Jun. 30, 2012
Customer
Jun. 30, 2011
Customer
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2012
Securities Purchase Agreements
Jun. 14, 2012
Advisory Agreement
Jun. 30, 2012
Advisory Agreement
Jun. 30, 2012
Maximum
Jun. 30, 2012
Minimum
Accounting Policies [Line Items]                    
Cash and cash equivalents $ 812,000 $ 240,000 $ 812,000 $ 240,000 $ 67,000          
Write-off of excess inventory     26,000              
Property, plant and equipment, useful life                 10 years 3 years
Depreciation     30,000 22,000            
Deferred revenue 480,000 1,802,000 480,000 1,802,000            
Inventory under consignment 431,000 1,672,000 431,000 1,672,000            
Number of customers for whom deferred revenue is recorded 1 1                
Product warranty liability 11,750   11,750              
Product warranty term 2 years                  
Anti-dilutive options and warrants     6,937,000              
Warrants exercise price           0.41 0.41 0.41 1  
Number of common stock to be purchased upon exercise of warrants           562,551 1,837,777      
Warrants fair value per share           $ 2.06 $ 1.77      
Warrant aggregate fair value           1,158,000 3,258,000      
Warrant term           5 years 5 years      
Warrant derivative liability 4,943,000   4,943,000              
Change in fair value of warrant liability     $ 526,000