RECEIVEABLES FROM BROKER-DEALERS AND CLEARING ORGANIZATIONS AND OTHER RECEIVABLES (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Sep. 30, 2017
Brokers and Dealers [Abstract]
Receivables from broker-dealers and clearing organizations	$ 2,709	$ 2,850
Trailing fees	1,138	1,156
Accounts receivable for tax and accounting services	1,015	698
Allowance for doubtful accounts - tax and accounting services	(210)	(390)
Advances to registered representatives	808	881
Allowance for doubtful accounts - advances to registered representatives	(288)	(154)
Investment banking receivable	1,373	1,086
Advisory fees	478	510
Notes receivable	631	676
Other	1,088	717
Other Receivables	$ 6,033	$ 5,180