Operation Segments (Tables)

9 Months Ended

Jun. 30, 2013

Operating Segments [Abstract]

Schedule of Segment Reporting Information, by Segment

		Three Months Ended June 30, 2013
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	24,161	$	44,511	$	52,880	$	-	$	121,552
Cost of services				19,737		37,400		48,762		-		105,899
Gross profit				4,424		7,111		4,118		-		15,653
Selling, general and administrative				3,373		6,812		3,600		2,791		16,576
Loss (gain) on sale of assets				-		-		(16)		-		(16)
Income (loss) from operations			$	1,051	$	299	$	534	$	(2,791)	$	(907)
Other data:
	Depreciation and amortization expense		$	94	$	340	$	66	$	295	$	795
	Capital expenditures			117		135		96		-		348
	Total assets		$	22,058	$	40,450	$	54,237	$	34,728	$	151,473

		Three Months Ended June 30, 2012
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	31,068	$	35,232	$	49,828	$	-	$	116,128
Cost of services				26,839		29,655		45,378		-		101,872
Gross profit				4,229		5,577		4,450		-		14,256
Selling, general and administrative				4,219		5,163		3,788		1,786		14,956
Loss (gain) on sale of assets				-		1		(10)		-		(9)
Income (loss) from operations			$	10	$	413	$	672	$	(1,786)	$	(691)
Other data:
	Depreciation and amortization expense		$	66	$	99	$	50	$	303	$	518
	Capital expenditures		$	-	$	286	$	49	$	15	$	350
	Total assets		$	34,240	$	29,201	$	63,465	$	45,199	$	172,105

		Nine Months Ended June 30, 2013
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	96,085	$	119,860	$	154,865	$	-	$	370,810
Cost of services				78,599		99,863		142,720		-		321,182
Gross profit				17,486		19,997		12,145		-		49,628
Selling, general and administrative				10,232		18,452		10,945		8,475		48,104
Loss (gain) on sale of assets				-		(21)		(35)		-		(56)
Income (loss) from operations			$	7,254	$	1,566	$	1,235	$	(8,475)	$	1,580
Other data:
	Depreciation and amortization expense		$	273	$	607	$	182	$	894	$	1,956
	Capital expenditures			223		185		247		-		655
	Total assets		$	22,058	$	40,450	$	54,237	$	34,728	$	151,473

		Nine Months Ended June 30, 2012
							Commercial &
			Communications		Residential		Industrial		Corporate		Total
Revenues			$	84,660	$	94,132	$	153,942	$	-	$	332,734
Cost of services				72,809		79,376		139,311		-		291,496
Gross profit				11,851		14,756		14,631		-		41,238
Selling, general and administrative				10,094		14,109		12,396		5,449		42,048
Loss (gain) on sale of assets				(61)		8		(112)		-		(165)
Income (loss) from operations			$	1,818	$	639	$	2,347	$	(5,449)	$	(645)
Other data:
	Depreciation and amortization expense		$	183	$	271	$	190	$	893	$	1,537
	Capital expenditures		$	260	$	554	$	54	$	876	$	1,744
	Total assets		$	34,240	$	29,201	$	63,465	$	45,199	$	172,105