Unaudited Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Income Statement [Abstract]
Weighted Average Number of Shares Outstanding, Basic	31,485,599	30,726,554	31,369,077	30,603,641
Revenue	$ 44,404	$ 62,025	$ 144,799	$ 178,633
Fee revenue	21,116	23,163	63,851	59,308
Total revenue	65,520	85,188	208,650	237,941
Costs and expenses:
Cost of goods sold (excluding amortization)	30,413	39,292	97,248	106,102
Client distributions	5,189	2,663	14,697	7,526
Technology and operations	19,639	22,541	62,607	70,026
Sales and marketing	8,273	9,967	27,410	28,575
General and administrative	8,751	9,042	26,836	29,576
Depreciation and amortization	1,365	1,616	4,228	4,948
Acquisition costs	0	0	0	39
Total costs and expenses	73,630	85,121	233,026	246,792
Other operating expense	652	0	1,044	0
(Loss) income from operations	(8,762)	67	(25,420)	(8,851)
Interest (income) expense and other expense, net	(189)	208	(291)	(242)
Loss before provision (benefit) for income taxes	(8,573)	(141)	(25,129)	(8,609)
Provision (benefit) for income taxes	41	(17)	91	(2,438)
Net loss	$ (8,614)	$ (124)	$ (25,220)	$ (6,171)
Basic and diluted loss per common share (USD per share)	$ (0.27)	$ 0.00	$ (0.80)	$ (0.20)
Basic and diluted weighted average shares outstanding (in shares)	31,485,599	30,726,554	31,369,077	30,603,641