Consolidated Statements Of Comprehensive Income (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Statement of Comprehensive Income [Abstract]
Revenues	$ 120,266	$ 121,995	$ 240,345	$ 249,259
Cost of services	100,240	105,999	202,202	215,283
Gross profit	20,026	15,996	38,143	33,976
Selling, general and administrative expenses	19,172	16,606	36,744	31,528
(Gain) loss on sale of assets	(22)	(21)	(62)	(40)
Income (loss) from operations	876	(589)	1,461	2,488
Interest and other (income) expense:
Interest expense	401	449	919	1,055
Other (income) expense, net	(15)	(151)	(212)	1,571
Income (loss) from operations before income taxes	490	(887)	754	(138)
Provision (benefit) for income taxes	44	53	43	168
Net income (loss) from continuing operations	446	(940)	711	(306)
Discontinued operations
Income (loss) from discontinued operations	(58)	(152)	(200)	(290)
Provision (benefit) for income taxes	(9)	9	(9)	(6)
Net loss from discontinued operations	(49)	(161)	(191)	(284)
Net income (loss)	397	(1,101)	520	(590)
Unrealized gain on interest hedge, net of tax	8	27	8	27
Comprehensive income (loss)	$ 405	$ (1,074)	$ 528	$ (563)
Basic earnings (loss) per share:
From continuing operations	$ 0.02	$ (0.06)	$ 0.04	$ (0.02)
From discontinued operations	$ 0	$ (0.01)	$ (0.01)	$ (0.02)
Basic earnings (loss) per share	$ 0.02	$ (0.07)	$ 0.03	$ (0.04)
Diluted earnings (loss) per share:
From continuing operations	$ 0.02	$ (0.06)	$ 0.04	$ (0.02)
From discontinued operations	$ 0	$ (0.01)	$ (0.01)	$ (0.02)
Diluted earnings (loss) per share	$ 0.02	$ (0.07)	$ 0.03	$ (0.04)
Shares used in the computation of earnings (loss) per share
Basic	17,857,422	14,909,896	17,837,117	14,855,313
Diluted	17,905,021	14,909,896	17,898,722	14,855,313