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Revolving Credit Facility	6 Months Ended
Revolving Credit Facility	Mar. 31, 2018
Text Block [Abstract]
Revolving Credit Facility	12. Revolving Credit Facility The Company had a revolving credit facility with available principal totaling $30.0 million, which was scheduled to terminate on November 2019. The Company terminated this agreement on March 30, 2018, at which time there was no outstanding balance.