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Contingent Earnout Liabilities (Details) (USD $)	1 Months Ended	6 Months Ended	1 Months Ended		1 Months Ended		0 Months Ended
	Apr. 30, 2013 Sprint sellers 2012 earnout target	Jun. 30, 2014 Saxon 2013 earnout target	Mar. 31, 2014 Q3 Contracting 2014 earnout target	Jun. 30, 2014 Q3 Contracting 2014 earnout target	Mar. 31, 2014 Q3 Contracting 2014 earnout target Minimum	Mar. 31, 2014 Q3 Contracting 2013 earnout target	Jun. 05, 2014 Vadnais Corporation	Jun. 05, 2014 Vadnais Corporation 2014 earnout target
Contingent earnout liabilities
Cash paid	$ 4,000,000	$ 0				$ 5,000,000	$ 6,354,000
Potential contingent consideration			5,000,000	3,750,000				900,000
Minimum potential contingent consideration			3,750,000
Additional potential contingent consideration			1,250,000
EBITDA threshold for measuring financial performance					19,000,000
EBITDA threshold for measuring financial performance, case two					22,000,000
Estimated fair value of the potential contingent consideration				$ 4,674,000			$ 729,000	$ 729,000

X

- Definition

Represents the additional amount of potential cash payments that could result from the contingent consideration arrangement.

+ References

No definition available.

+ Details

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X

- Definition

Represents the amount of EBITDA (income before interest, taxes, depreciation and amortization) to be achieved by the acquiree in earnout target period to measure cash payment of potential contingent consideration.

+ References

No definition available.

+ Details

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X

- Definition

Represents the amount of EBITDA (income before interest, taxes, depreciation and amortization) to be achieved by the acquiree in earnout target period to measure cash payment of potential contingent consideration, under case two.

+ References

No definition available.

+ Details

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X

- Definition

For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

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- Definition

For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)(3)

-URI http://asc.fasb.org/extlink&oid=7488404&loc=d3e6927-128479

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 35

-Paragraph 1

-Subparagraph b

-URI http://asc.fasb.org/extlink&oid=6911338&loc=d3e6819-128478



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-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 30

-Section 25

-Paragraph 6

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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133



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-Name Accounting Standards Codification

-Topic 230

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-Section 45

-Paragraph 13

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