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Operation Segments (Tables)

12 Months Ended

Sep. 30, 2018

Operating Segments [Abstract]

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

		Year Ended September 30, 2018
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	274,299		$	219,655		$	97,163		$	285,711		$	-		$	876,828
Cost of services				244,656			179,518			75,337			227,355			-			726,866
Gross profit				29,643			40,137			21,826			58,356			-			149,962
Selling, general and administrative				27,031			26,003			18,293			41,401			11,192			123,920
Contingent consideration				(100)			(85)			288			-			-			103
Loss (gain) on sale of assets				(37)			(4)			18			8			-			(15)
Income (loss) from operations			$	2,749		$	14,223		$	3,227		$	16,947		$	(11,192)		$	25,954
Other data:
	Depreciation and amortization expense		$	2,197		$	1,247		$	4,672		$	637		$	107		$	8,860
	Capital expenditures		$	2,216		$	647		$	735		$	932		$	33		$	4,563
	Total assets		$	89,729		$	80,528		$	109,506		$	55,176		$	87,055		$	421,994

		Year Ended September 30, 2017
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	227,606		$	225,275		$	83,824		$	274,039		$	-		$	810,744
Cost of services				208,619			187,419			63,399			210,809			-			670,246
Gross profit				18,987			37,856			20,425			63,230			-			140,498
Selling, general and administrative				20,170			24,219			17,859			43,689			14,433			120,370
Contingent consideration				-			-			(145)			-			-			(145)
Loss (gain) on sale of assets				(32)			(1)			(79)			43			-			(69)
Income (loss) from operations			$	(1,151)		$	13,638		$	2,790		$	19,498		$	(14,433)		$	20,342
Other data:
	Depreciation and amortization expense		$	1,648		$	740		$	6,412		$	565		$	269		$	9,634
	Capital expenditures		$	1,241		$	2,046		$	538		$	561		$	203		$	4,589
	Total assets		$	84,756		$	63,917		$	106,114		$	51,994		$	117,713		$	424,494

		Year Ended September 30, 2016
			Commercial &						Infrastructure
			Industrial			Communications			Solutions			Residential			Corporate			Total
Revenues			$	222,466		$	189,635		$	58,003		$	225,889		$	-		$	695,993
Cost of services				197,679			157,104			42,356			171,874			-			569,013
Gross profit				24,787			32,531			15,647			54,015			-			126,980
Selling, general and administrative				17,169			20,839			12,404			37,585			12,561			100,558
	Contingent Consideration			-			-			652			-			-			652
Loss (gain) on sale of assets				(17)			-			826			1			-			810
Income (loss) from operations			$	7,635		$	11,692		$	1,765		$	16,429		$	(12,561)		$	24,960
Other data:
	Depreciation and amortization expense		$	1,234		$	577		$	3,072		$	509		$	272		$	5,664
	Capital expenditures		$	795		$	1,102		$	721		$	704		$	95		$	3,417
	Total assets		$	59,763		$	68,018		$	89,447		$	43,195		$	133,917		$	394,340

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

No definition available.

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