| 6. Goodwill and Other Intangibles (Tables) | 6 Months Ended | |||||||||||||||||||||||||||||||||||
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| Mar. 31, 2017 | ||||||||||||||||||||||||||||||||||||
| Goodwill and Intangible Assets Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||
| Future amortization expense related to intangible assets | 
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| X | ||||||||||
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- References No definition available. 
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| X | ||||||||||
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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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