Operation Segments (Tables)

6 Months Ended

Mar. 31, 2013

Operating Segments [Abstract]

Schedule of Segment Reporting Information, by Segment

		Three Months Ended March 31, 2013
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	31,806	$	39,344	$	50,845	$	-	$	121,995
Cost of services				25,975		32,564		47,460		-		105,999
Gross profit				5,831		6,780		3,385		-		15,996
Selling, general and administrative				3,301		6,412		3,609		3,284		16,606
Loss (gain) on sale of assets				-		(12)		(9)		-		(21)
Income (loss) from operations			$	2,530	$	380	$	(215)	$	(3,284)	$	(589)
Other data:
	Depreciation and amortization expense		$	92	$	89	$	59	$	299	$	539
	Capital expenditures			130		68		97		-		295
	Total assets		$	25,366	$	38,714	$	53,531	$	35,642	$	153,253

		Three Months Ended March 31, 2012
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	28,430	$	29,628	$	49,550	$	-	$	107,608
Cost of services				24,374		25,097		44,350		(2)		93,819
Gross profit				4,056		4,531		5,200		2		13,789
Selling, general and administrative				3,165		4,532		4,506		2,204		14,407
Loss (gain) on sale of assets				-		3		(22)		-		(19)
Income (loss) from operations			$	891	$	(4)	$	716	$	(2,202)	$	(599)
Other data:
	Depreciation and amortization expense		$	65	$	90	$	61	$	303	$	519
	Capital expenditures		$	239	$	8	$	5	$	-	$	252
	Total assets		$	18,502	$	27,318	$	67,087	$	46,272	$	159,179

		Six Months Ended March 31, 2013
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	71,925	$	75,349	$	101,985	$	-	$	249,259
Cost of services				58,862		62,463		93,958		-		215,283
Gross profit				13,063		12,886		8,027		-		33,976
Selling, general and administrative				6,860		11,640		7,345		5,683		31,528
Loss (gain) on sale of assets				-		(21)		(19)		-		(40)
Income (loss) from operations			$	6,203	$	1,267	$	701	$	(5,683)	$	2,488
Other data:
	Depreciation and amortization expense		$	179	$	185	$	115	$	599	$	1,078
	Capital expenditures			171		94		110		-		375
	Total assets		$	25,366	$	38,714	$	53,531	$	35,642	$	153,253

		Six Months Ended March 31, 2012
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	53,591	$	58,900	$	104,115	$	-	$	216,606
Cost of services				45,970		49,721		93,925		8		189,624
Gross profit				7,621		9,179		10,190		(8)		26,982
Selling, general and administrative				5,875		8,946		8,607		3,663		27,091
Loss (gain) on sale of assets				(60)		7		(102)		-		(155)
Income (loss) from operations			$	1,806	$	226	$	1,685	$	(3,671)	$	46
Other data:
	Depreciation and amortization expense		$	117	$	172	$	140	$	590	$	1,019
	Capital expenditures		$	239	$	34	$	5	$	861	$	1,139
	Total assets		$	18,502	$	27,318	$	67,087	$	46,272	$	159,179