CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Income Statement [Abstract]
Revenue	$ 115,662	$ 85,602
Direct expenses	89,812	67,776
Gross margin	25,850	17,826
General and administrative expenses	17,466	12,518
Depreciation and amortization	1,754	1,244
Income from operations	6,630	4,064
Interest expense	(1,228)	(823)
Acquisition cost	0	(795)
Income before income taxes	5,402	2,446
Income tax expense (benefit), net	2,114	(938)
Net income	$ 3,288	$ 3,384
Earnings Per Share [Abstract]
Net income (loss) per share - basic (in dollars per share)	$ 0.29	$ 0.34
Net income (loss) per share - diluted (in dollars per share)	$ 0.27	$ 0.30
Weighted average common shares outstanding
Basic (in shares)	11,345	9,966
Diluted (in shares)	12,352	11,220