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Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Accrued Expenses    
Employee compensation $ 10,935 $ 6,750
Taxes, other than income taxes 2,815 2,631
Utilities 971 1,165
Professional Fees 583 696
Less current obligation 468  
Other 804 1,971
Total accrued expenses $ 16,576 $ 13,213