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Line of Credit - Additional Information (Detail) (USD $)
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 26, 2014
Feb. 17, 2010
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Line of Credit Facility [Line Items]            
Line of credit facility, maximum borrowing capacity   $ 3,000,000        
Line of credit facility, interest rate   3.75%        
Line of credit facility, spread over base rate   2.00%        
Line of credit facility, interest rate description   Line of Credit accrued at an annual interest rate of (i) the broker rate in effect at the interest date (which was 3.75% at December 31, 2013), plus (ii) 2.0% and are due on demand. There were no other conditions or fees associated with the Line of Credit.        
Interest expense under Line of Credit     21,278 20,875 85,629 90,651
Line of credit, outstanding amount $ 2,187,082