CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Income Statement [Abstract]
Revenue	$ 160,391	$ 133,236
Contract costs	124,551	105,374
General and administrative costs	20,525	16,838
Acquisition costs	1,391	0
Depreciation and amortization	3,956	2,242
Total operating costs	150,423	124,454
Income from operations	9,968	8,782
Interest expense, net	2,473	1,116
Income before income taxes	7,495	7,666
Income tax expense	2,171	5,830
Net income	$ 5,324	$ 1,836
Earnings Per Share [Abstract]
Net income per share - basic (in dollars per share)	$ 0.44	$ 0.15
Net income per share - diluted (in dollars per share)	$ 0.41	$ 0.14
Weighted average common shares outstanding
Basic (in shares)	12,018	11,881
Diluted (in shares)	13,041	12,873