Quarterly report pursuant to Section 13 or 15(d)

Other Liabilities (Detail)

v2.4.0.6
Other Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Apr. 30, 2013
Jul. 31, 2012
Capital Lease Period 5 years  
Other Liabilities, Current $ 313 $ 118
Clinical Labs [Member] | Capital Lease Obligation [Member]
   
Capital Lease Obligations Incurred 768  
Capital Leases, Future Minimum Payments, Interest Included in Payments 89  
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments 689  
Other Liabilities, Current 149  
Clinical Labs [Member] | Installment Loans [Member]
   
Long-term Debt 288  
Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments 427  
Other Liabilities, Current $ 164