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Business Combination, Contingent Consideration and Disposal of Branches (Tables)
 12 Months Ended
Sep. 30, 2018
Business Combinations [Abstract]  
Schedule of Business Acquisitions by Acquisition, Contingent Consideration
Set below are changes in the carrying value of contingent consideration for the years ended September 30, 2018, 2017 and 2016 related to the acquisitions:

Fair value of contingent consideration at September 30, 2015
$
534,000

Payments
(128,000
)
Change in fair value
18,000

Fair value of contingent consideration at September 30, 2016
424,000

Fair value of contingent consideration in connection with October 2016 acquisition
192,000

Payments
(42,000
)
Change in fair value
(263,000
)
Fair value of contingent consideration at September 30, 2017
311,000

Fair value of contingent consideration in connection with above acquisition
580,000

Payments
(171,000
)
Change in fair value
24,000

Fair value of contingent consideration at September 30, 2018
$
744,000