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Commitments And Contingencies (Narrative) (Detail) (USD $)
 3 Months Ended 12 Months Ended 1 Months Ended 3 Months Ended 12 Months Ended
Jun. 30, 2011
Installment
Jun. 30, 2012
Year
Day
Installment
Jun. 30, 2011
Installment
Jun. 30, 2010
Sep. 30, 2011
Capital Lease [Member]
Jun. 30, 2011
Capital Lease [Member]
Jun. 30, 2012
Co-location Services [Member]
Jun. 30, 2011
Co-location Services [Member]
Jun. 30, 2010
Co-location Services [Member]
Commitments [Line Items]                  
Number of quarterly installments on repayment of borrowings 8   8            
Quarterly installment of principal and interest to be repaid $ 43,817   $ 2,900,000            
Option exercised and purchase software   28,000 157,000 181,000 28,000        
Lease obligation and capitalization amount           305,000      
Interest rate on capital lease 306.00%                
Accumulated amortization of assets           212,000      
Operating lease expiration date   2017              
Operating lease rent expense   1,100,000 779,000 754,000          
Rental expense             633,000 438,000 697,000
Employee contribution from salary   60.00%              
Defined contribution plans expenses   $ 280,000 $ 267,000 $ 239,000          
Warranty period, minimum   90              
Warranty period, maximum   1