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Operation Segments (Tables)

3 Months Ended

Dec. 31, 2017

Operating Segments [Abstract]

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

		Three Months Ended December 31, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	53,002		$	54,459		$	21,685		$	69,154		$	-		$	198,300
Cost of services				48,159			45,339			17,000			54,738			-			165,236
Gross profit				4,843			9,120			4,685			14,416			-			33,064
Selling, general and administrative				5,795			6,084			4,557			10,366			3,287			30,089
Gain on sale of assets				(12)			(1)			(1)			-			-			(14)
Income (loss) from operations			$	(940)		$	3,037		$	129		$	4,050		$	(3,287)		$	2,989
Other data:
	Depreciation and amortization expense		$	557		$	216		$	1,243		$	141		$	51		$	2,208
	Capital expenditures		$	510		$	75		$	140		$	478		$	-		$	1,203
	Total assets		$	63,085		$	66,522		$	101,026		$	50,342		$	99,691		$	380,666

		Three Months Ended December 31, 2016
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	53,956		$	53,303		$	18,477		$	66,442		$	-		$	192,178
Cost of services				47,850			45,332			13,102			50,712			-			156,996
Gross profit				6,106			7,971			5,375			15,730			-			35,182
Selling, general and administrative				4,324			5,714			4,100			10,553			3,503			28,194
Loss on sale of assets				1			-			(8)			-			-			(7)
Income (loss) from operations			$	1,781		$	2,257		$	1,283		$	5,177		$	(3,503)		$	6,995
Other data:
	Depreciation and amortization expense		$	348		$	174		$	1,323		$	150		$	64		$	2,059
	Capital expenditures		$	209		$	1,079		$	81		$	239		$	188		$	1,796
	Total assets		$	53,922		$	69,884		$	89,110		$	49,307		$	129,769		$	391,992

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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

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