Quarterly report pursuant to Section 13 or 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 3 Months Ended
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Accounting Policies [Line Items]          
Cash and cash equivalents $ 457,000 $ 49,000 $ 457,000 $ 20,000 $ 812,000
Product warranty liability   $ 11,000      
Anti-dilutive options and warrants   808,662 4,299,163    
Weighted average number of common shares outstanding - basic and diluted 46,172,233 808,662      
Shares Held in Employee Stock Option Plan, Allocated 2,221,986   2,221,986    
Weighted Average Number Diluted Shares Outstanding Adjustment, Total     2,077,177