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Operation Segments (Tables)

9 Months Ended

Jun. 30, 2018

Operating Segments [Abstract]

Schedule of Segment Reporting Information, by Segment [Table Text Block]

		Three Months Ended June 30, 2018
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	78,156		$	54,368		$	24,856		$	75,196		$	-		$	232,576
Cost of services				67,839			43,436			18,701			60,063			-			190,039
Gross profit				10,317			10,932			6,155			15,133			-			42,537
Selling, general and administrative				6,980			7,193			4,568			10,941			2,690			32,372
Contingent consideration				-			-			81			-			-			81
Loss (gain) on sale of assets				(6)			-			1			-			-			(5)
Operating income (loss)			$	3,343		$	3,739		$	1,505		$	4,192		$	(2,690)		$	10,089
Other data:
	Depreciation and amortization expense		$	548		$	595		$	1,120		$	156		$	18		$	2,437
	Capital expenditures		$	715		$	119		$	112		$	110		$	-		$	1,056
	Total assets		$	86,012		$	67,270		$	102,233		$	52,500		$	87,948		$	395,963

		Three Months Ended June 30, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	58,778		$	57,081		$	22,302		$	70,162		$	-		$	208,323
Cost of services				54,174			46,958			17,486			54,307			-			172,925
Gross profit				4,604			10,123			4,816			15,855			-			35,398
Selling, general and administrative				4,849			6,252			4,958			11,003			3,709			30,771
Contingent consideration				-			-			(33)			-			-			(33)
Loss (gain) on sale of assets				(4)			-			(88)			37			-			(55)
Operating income (loss)			$	(241)		$	3,871		$	(21)		$	4,815		$	(3,709)		$	4,715
Other data:
	Depreciation and amortization expense		$	329		$	187		$	1,785		$	135		$	70		$	2,506
	Capital expenditures		$	283		$	328		$	124		$	170		$	-		$	905
	Total assets		$	66,190		$	70,427		$	103,323		$	51,995		$	125,222		$	417,157

		Nine Months Ended June 30, 2018
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	196,747		$	159,071		$	70,407		$	210,328		$	-		$	636,553
Cost of services				175,066			129,667			54,543			167,836			-			527,112
Gross profit				21,681			29,404			15,864			42,492			-			109,441
Selling, general and administrative				19,624			19,478			13,762			30,995			8,249			92,108
Contingent consideration				-			-			152			-			-			152
Loss (gain) on sale of assets				(35)			(9)			6			(1)			-			(39)
Operating income (loss)			$	2,092		$	9,935		$	1,944		$	11,498		$	(8,249)		$	17,220
Other data:
	Depreciation and amortization expense		$	1,632		$	1,030		$	3,503		$	452		$	89		$	6,706
	Capital expenditures		$	1,638		$	592		$	457		$	696		$	-		$	3,383
	Total assets		$	86,012		$	67,270		$	102,233		$	52,500		$	87,948		$	395,963

		Nine Months Ended June 30, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	168,006		$	172,058		$	59,572		$	204,527		$	-		$	604,163
Cost of services				154,628			144,668			45,103			157,370			-			501,769
Gross profit				13,378			27,390			14,469			47,157			-			102,394
Selling, general and administrative				14,434			18,086			13,280			32,488			10,797			89,085
Contingent consideration				-			-			50			-			-			50
Gain on sale of assets				(11)			(1)			(90)			34			-			(68)
Operating income (loss)			$	(1,045)		$	9,305		$	1,229		$	14,635		$	(10,797)		$	13,327
Other data:
	Depreciation and amortization expense		$	983		$	532		$	4,730		$	436		$	203		$	6,884
	Capital expenditures		$	927		$	1,888		$	261		$	517		$	203		$	3,796
	Total assets		$	66,190		$	70,427		$	103,323		$	51,995		$	125,222		$	417,157

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8813-108599

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8721-108599

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8736-108599

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- References

No definition available.

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