CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Income Statement [Abstract]
Revenue	$ 133,236	$ 115,662
Direct expenses (exclusive of depreciation and amortization shown below)	103,034	89,812
Gross margin	30,202	25,850
General and administrative expenses	19,178	17,466
Depreciation and amortization	2,242	1,754
Income from operations	8,782	6,630
Interest expense, net	(1,116)	(1,228)
Income before income taxes	7,666	5,402
Income tax expense	5,830	2,114
Net income	$ 1,836	$ 3,288
Earnings Per Share [Abstract]
Net income per share - basic (in dollars per share)	$ 0.15	$ 0.29
Net income per share - diluted (in dollars per share)	$ 0.14	$ 0.27
Weighted average common shares outstanding
Basic (in shares)	11,881	11,345
Diluted (in shares)	12,873	12,352