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Segment Reporting (Tables)

6 Months Ended

Jul. 31, 2012

Segment Reporting [Abstract]

Summarized operating results and certain financial position data of Company's reportable continuing business segments

Three Months Ended July 31, 2012		Power Industry Services				Telecom Infrastructure Services				Other				Consolidated
Net revenues		$	78,109,000			$	4,510,000			$	—			$	82,619,000
Cost of revenues			66,182,000				3,558,000				—				69,740,000
Gross profit			11,927,000				952,000				—				12,879,000
Selling, general and administrative expenses			1,932,000				441,000				924,000				3,297,000
Income (loss) from operations			9,995,000				511,000				(924,000	)			9,582,000
Other (expense) income, net			(11,000	)			—				1,000				(10,000	)
Income (loss) from continuing operations before income taxes		$	9,984,000			$	511,000			$	(923,000	)			9,572,000
Income tax expense															3,591,000
Income from continuing operations														$	5,981,000
Amortization of purchased intangibles		$	61,000			$	—			$	—			$	61,000
Depreciation		$	69,000			$	62,000			$	1,000			$	132,000
Fixed asset additions		$	2,591,000			$	36,000			$	—			$	2,627,000
Goodwill		$	18,476,000			$	—			$	—			$	18,476,000
Total assets		$	195,250,000			$	4,117,000			$	46,096,000			$	245,463,000

Three Months Ended July 31, 2011		Power Industry Services				Telecom Infrastructure Services				Other				Consolidated
Net revenues		$	24,390,000			$	1,952,000			$	—			$	26,342,000
Cost of revenues			20,078,000				1,617,000				—				21,695,000
Gross profit			4,312,000				335,000				—				4,647,000
Selling, general and administrative expenses			1,332,000				339,000				703,000				2,374,000
Income (loss) from operations			2,980,000				(4,000	)			(703,000	)			2,273,000
Other (expense) income, net			24,000				—				5,000				29,000
Income (loss) from continuing operations before income taxes		$	3,004,000			$	(4,000	)		$	(698,000	)			2,302,000
Income tax expense															782,000
Income from continuing operations														$	1,520,000
Amortization of purchased intangibles		$	87,000			$	—			$	—			$	87,000
Depreciation		$	51,000			$	62,000			$	1,000			$	114,000
Fixed asset additions		$	—			$	50,000			$	—			$	50,000
Goodwill		$	18,476,000			$	—			$	—			$	18,476,000
Total assets		$	89,295,000			$	2,798,000			$	53,533,000			$	145,626,000

Six Months Ended July 31, 2012		Power Industry Services				Telecom Infrastructure Services				Other				Consolidated
Net revenues		$	135,837,000			$	10,472,000			$	—			$	146,309,000
Cost of revenues			115,166,000				8,163,000				—				123,329,000
Gross profit			20,671,000				2,309,000				—				22,980,000
Selling, general and administrative expenses			3,491,000				881,000				1,953,000				6,325,000
Income (loss) from operations			17,180,000				1,428,000				(1,953,000	)			16,655,000
Other (expense) income, net			(20,000	)			—				1,000				(19,000	)
Income (loss) from continuing operations before income taxes		$	17,160,000			$	1,428,000			$	(1,952,000	)			16,636,000
Income tax expense															6,108,000
Income from continuing operations														$	10,528,000
Amortization of purchased intangibles		$	121,000			$	—			$	—			$	121,000
Depreciation		$	127,000			$	120,000			$	2,000			$	249,000
Fixed asset additions		$	3,617,000			$	174,000			$	—			$	3,791,000

Six Months Ended July 31, 2011		Power Industry Services				Telecom Infrastructure Services				Other				Consolidated
Net revenues		$	38,409,000			$	3,926,000			$	—			$	42,335,000
Cost of revenues			30,559,000				3,231,000				—				33,790,000
Gross profit			7,850,000				695,000				—				8,545,000
Selling, general and administrative expenses			2,745,000				736,000				1,652,000				5,133,000
Income (loss) from operations			5,105,000				(41,000	)			(1,652,000	)			3,412,000
Other (expense) income, net			39,000				—				12,000				51,000
Income (loss) from continuing operations before income taxes		$	5,144,000			$	(41,000	)		$	(1,640,000	)			3,463,000
Income tax expense															1,198,000
Income from continuing operations														$	2,265,000
Amortization of purchased intangibles		$	175,000			$	—			$	—			$	175,000
Depreciation		$	100,000			$	129,000			$	2,000			$	231,000
Fixed asset additions		$	—			$	55,000			$	4,000			$	59,000

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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 22

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599



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=6534315&loc=d3e8813-108599



Reference 3: 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=14024403&loc=d3e13816-109267



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27, 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 5: 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=6534315&loc=d3e8906-108599



Reference 6: 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=6534315&loc=d3e8721-108599

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