Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (1,829)	$ (10,292)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities
Change in fair value of warrant liability	0	11,194
Depreciation and amortization	858	758
Amortization of forgivable loans	333	310
Stock-based compensation	2,802	676
Provision (recovery) for doubtful accounts	(142)	(46)
Amortization of deferred clearing and marketing credit	(104)	(105)
Increase in fair value of contingent consideration payable	27	10
Deferred tax (benefit) expense	(102)	2,413
Gain on deconsolidation of subsidiary	0	(15)
Changes in assets and liabilities
Cash deposits with clearing organizations	0	205
Securities owned, at fair value	180	(374)
Receivables from broker-dealers and clearing organizations	516	141
Forgivable loans receivable	(315)	(292)
Other receivables, net	(684)	(854)
Prepaid expenses	(1,281)	809
Other assets	17	(85)
Accounts payable, accrued expenses and other liabilities	(989)	(288)
Securities sold, but not yet purchased, at fair value	0	(143)
Net cash (used in) provided by operating activities	(713)	4,022
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of businesses	(387)	(187)
Acquisition of intangible assets	0	(45)
Purchase of fixed assets	(734)	(50)
Collection on notes receivable	56	47
Net cash used in investing activities	(1,065)	(235)
CASH FLOWS FROM FINANCING ACTIVITIES
Repurchase of common stock for tax withholding	(232)	(82)
Principal payments under capital lease obligations	(110)	0
Principal payments under finance obligations	(114)	0
Net cash used in financing activities	(456)	(82)
NET (DECREASE) INCREASE IN CASH AND RESTRICTED CASH	(2,234)	3,705
CASH AND RESTRICTED CASH BALANCE
Beginning of the period	29,273	24,889
End of the period	27,039	28,594
Cash paid during the period for:
Interest	18	5
Income taxes	112	630
SUPPLEMENTAL DISCLOSURES OF NONCASH INVESTING AND FINANCING ACTIVITIES
Fixed assets (acquired but not paid)	49	0
Finance obligation (related asset included in other assets and fixed assets - see Note 9)	525	0
Business acquired:
Identifiable intangible asset acquired	1,815	767
Contingent consideration payable	(1,428)	(580)
Acquisition of businesses	(387)	(187)
Reclassification of warrant liability from debt to equity	$ 0	$ 16,791