Costs and Estimated Earnings on Uncompleted Contracts - Costs, Estimated Earnings and Billings on Uncompleted Contracts (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 30, 2016	Dec. 31, 2014	Dec. 31, 2015
Costs in Excess of Billings on Uncompleted Contracts or Programs [Abstract]
Costs Incurred on Uncompleted Contracts	$ 402	$ 1,089
Estimated Earnings on Uncompleted Contracts	86	$ 306
Uncompleted Contracts	488		$ 1,395
Billings to Date	(565)		(1,404)
Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts	$ (77)		$ (9)

Estimated Net Income On Uncompleted Contracts

No definition available.

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- Definition

Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method that are expected to be realized more than one year or one operating cycle, whichever is longer, from the reporting date.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
-SubTopic 35
-Section 45
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=51671739&loc=d3e57788-111642

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- Definition

Amount billed to customers under long-term contracts or programs that have been withheld because of retainage provisions in a contract.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 310
-Section 50
-Paragraph 4
-Subparagraph (a)
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- Definition

Costs incurred and are directly related to generating contract revenues.

+ References

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- References

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- Definition

Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings which is expected to be collected within one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 605
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-URI http://asc.fasb.org/extlink&oid=51671739&loc=d3e57795-111642

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