| Goodwill and Intangible Assets (Details 1) - USD ($) $ in Thousands | Dec. 31, 2021 | Sep. 30, 2021 | 
|---|---|---|
| Cost | $ 37,399 | $ 37,399 | 
| Accumulated Amortization | 23,659 | 22,645 | 
| Net Book Value | 13,740 | 14,754 | 
| Trade Names [Member] | ||
| Cost | 8,329 | 8,329 | 
| Accumulated Amortization | 7,156 | 6,801 | 
| Net Book Value | 1,173 | 1,528 | 
| Customer Relationships [Member] | ||
| Cost | 29,070 | 29,070 | 
| Accumulated Amortization | 16,503 | 15,844 | 
| Net Book Value | $ 12,567 | $ 13,226 | 
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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