Contract Receivables (Details) $ in Thousands	1 Months Ended	9 Months Ended	12 Months Ended
Apr. 30, 2016 USD ($)	Sep. 30, 2016 USD ($) Customer	Dec. 31, 2015 USD ($) Customer
Contract Receivables [Abstract]
Maximum term of contract receivables		12 months
Components of contract receivables [Abstract]
Billed receivables		$ 9,585	$ 9,831
Unbilled receivables		6,866	3,325
Allowance for doubtful accounts		(21)	(103)
Total contract receivables, net		$ 16,430	$ 13,053
Unbilled contract receivables billed during October 2016	$ 600
Contract Receivable [Member]
Concentration Risk [Line Items]
Number of customers accounting for contract receivables \| Customer		1	0
Percentage of contract receivables accounted by major customers		11.30%	10.00%

No definition available.

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- Definition

Describes the maximum period under which the entity considered its contract receivables to be collected.

+ References

No definition available.

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- Definition

Refers to the number of customers that account for contract receivables.

+ References

No definition available.

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- Definition

Amount billed to customers under long-term contracts or programs but not paid. Excludes amounts due that have been withheld because of retainage provisions in a contract.

+ References

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- Definition

For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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- Definition

Amounts due for billed services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the Company and, at a minimum, one other party. An example would be amounts billed to customers under contracts or programs but not paid as of the balance sheet date.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The increase (decrease) during the reporting period of the amount of revenue for work performed for which billing has not occurred, net of uncollectible accounts.

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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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