Other Accrued Liabilities
 9 Months Ended
Apr. 30, 2013
Other Accrued Liabilities [Abstract]  
Other Accrued Liabilities
10.
Other Accrued Liabilities

Other accrued liabilities are summarized in the following table.

 
 
April 30,
2013
  
July 31,
2012
 
 
 
  
 
Allowance for project disallowances
 
$
2,746,974
  
$
2,724,474
 
Other
  
1,158,775
   
1,208,114
 
 
        
Total other accrued liabilities
 
$
3,905,749
  
$
3,932,588
 

The allowance for project disallowances represents potential disallowances of amounts billed and collected resulting from contract disputes and government audits. Allowances for project disallowances are recorded when the amounts are estimable.