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Operation Segments (Tables)

6 Months Ended

Mar. 31, 2018

Operating Segments [Abstract]

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

		Three Months Ended March 31, 2018
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	65,589		$	50,244		$	23,866		$	65,978		$	-		$	205,677
Cost of services				59,068			40,892			18,842			53,035			-			171,837
Gross profit				6,521			9,352			5,024			12,943			-			33,840
Selling, general and administrative				6,849			6,201			4,637			9,688			2,272			29,647
Contingent consideration				-			-			71			-			-			71
Loss (gain) on sale of assets				(17)			(8)			6			(1)			-			(20)
Operating income (loss)			$	(311)		$	3,159		$	310		$	3,256		$	(2,272)		$	4,142
Other data:
	Depreciation and amortization expense		$	527		$	219		$	1,140		$	155		$	20		$	2,061
	Capital expenditures		$	413		$	398		$	205		$	108		$	-		$	1,124
	Total assets		$	72,559		$	60,102		$	100,884		$	47,695		$	103,747		$	384,987

		Three Months Ended March 31, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	55,272		$	61,674		$	18,793		$	67,923		$	-		$	203,662
Cost of services				52,604			52,378			14,515			52,351			-			171,848
Gross profit				2,668			9,296			4,278			15,572			-			31,814
Selling, general and administrative				5,261			6,120			4,222			10,932			3,585			30,120
Contingent Consideration				-			-			83			-			-			83
Loss (gain) on sale of assets				(8)			(1)			6			(3)			-			(6)
Operating income (loss)			$	(2,585)		$	3,177		$	(33)		$	4,643		$	(3,585)		$	1,617
Other data:
	Depreciation and amortization expense		$	306		$	171		$	1,622		$	151		$	69		$	2,319
	Capital expenditures		$	435		$	481		$	56		$	108		$	15		$	1,095
	Total assets		$	54,485		$	68,475		$	107,535		$	50,743		$	126,736		$	407,974

		Six Months Ended March 31, 2018
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	118,591		$	104,703		$	45,551		$	135,132		$	-		$	403,977
Cost of services				107,227			86,231			35,842			107,773			-			337,073
Gross profit				11,364			18,472			9,709			27,359			-			66,904
Selling, general and administrative				12,644			12,285			9,194			20,054			5,559			59,736
Contingent consideration				-			-			71			-			-			71
Loss (gain) on sale of assets				(29)			(9)			5			(1)			-			(34)
Operating income (loss)			$	(1,251)		$	6,196		$	439		$	7,306		$	(5,559)		$	7,131
Other data:
	Depreciation and amortization expense		$	1,084		$	435		$	2,383		$	296		$	71		$	4,269
	Capital expenditures		$	923		$	473		$	345		$	586		$	-		$	2,327
	Total assets		$	72,559		$	60,102		$	100,884		$	47,695		$	103,747		$	384,987

		Six Months Ended March 31, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	109,228		$	114,977		$	37,270		$	134,365		$	-		$	395,840
Cost of services				100,454			97,710			27,617			103,063			-			328,844
Gross profit				8,774			17,267			9,653			31,302			-			66,996
Selling, general and administrative				9,585			11,834			8,322			21,485			7,088			58,314
Contingent Consideration				-			-			83			-			-			83
Gain on sale of assets				(7)			(1)			(2)			(3)			-			(13)
Operating income (loss)			$	(804)		$	5,434		$	1,250		$	9,820		$	(7,088)		$	8,612
Other data:
	Depreciation and amortization expense		$	654		$	345		$	2,945		$	301		$	133		$	4,378
	Capital expenditures		$	644		$	1,560		$	137		$	347		$	203		$	2,891
	Total assets		$	54,485		$	68,475		$	107,535		$	50,743		$	126,736		$	407,974

X

- 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

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