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Debt (Tables)
12 Months Ended
Sep. 30, 2016
Debt [Abstract]  
Schedule of Debt [Table Text Block]
September 30,September 30,
20162015
Capital lease obligation$-$4
Revolving loan (long-term debt)30,23310,234
Debt issuance costs(976)(1,031)
Total debt$29,257$9,207
Schedule of Line of Credit Facilities [Table Text Block]
LevelThresholdsInterest Rate Margin
IIf Liquidity is less than $24,500 at any time during the period2.25 percentage points
IIIf Liquidity is greater than or equal to $24,500 at all times during the period andless than $35,000 at any time during the period2.00 percentage points
IIIIf Liquidity is greater than or equal to $35,000 at all times during the period1.75 percentage points