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Commitment and Contingencies (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Sep. 30, 2017
Operating Leases    
Total operating leases $ 3,300  
Long Term Debt and Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]    
Total Obligations 18,181  
Next 12 Months 4,688  
2-3 Years 8,812  
4-5 Years 4,306  
More than 5 Years 375  
Facility Leases [Member]    
Operating Leases    
Total operating leases 3,227  
Next 12 Months 912  
2-3 Years 1,280  
4-5 Years 660  
More than 5 Years 375  
Equipment Leases [Member]    
Operating Leases    
Total operating leases 58  
Next 12 Months 26  
2-3 Years 32  
4-5 Years 0  
More than 5 Years 0  
Notes Payable to Banks [Member]    
Debt Obligations    
Total bank debt obligation 14,896 $ 19,688
Next 12 Months 3,750  
2-3 Years 7,500  
4-5 Years 3,646  
More than 5 Years $ 0