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Accounts Receivable (Details Textual) (USD $)
Sep. 30, 2012
Jun. 30, 2012
Retainages Not Expected To Be Collected Within One Year $ 2,200,000  
Successor [Member]
   
Allowance for Doubtful Accounts Receivable 626,000 532,000
Billings in excess of revenue recognized $ 8,158,000 $ 8,571,000