No definition available.

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

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No definition available.

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Number of the company's contracts assumed.

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No definition available.

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

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No definition available.

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Number of facilities for which the Company has an executory contract for the provision of simulator software and equipment.

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No definition available.

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Percentage of accounts receivable, unbilled receivables, and billings in excess reserved.

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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.

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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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-Name Accounting Standards Codification
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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.

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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.

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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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Amount of billed or unbilled claims or other similar items subject to uncertainty concerning their determination or ultimate realization under long-term contracts.

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Amount of debtor-in-possession borrowings outstanding.

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No definition available.

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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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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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- References

No definition available.

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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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Contract Receivables (Details)	1 Months Ended	3 Months Ended	6 Months Ended		12 Months Ended
Contract Receivables (Details)	Jul. 31, 2017 USD ($) Facility	Jun. 30, 2017 USD ($) Customer Contract	Jun. 30, 2017 USD ($) Customer	Jun. 30, 2016 USD ($)	Dec. 31, 2016 USD ($) Customer	Mar. 29, 2017 USD ($)
Contract Receivables [Abstract]
Maximum term of contract receivables			12 months
Components of contract receivables [Abstract]
Billed receivables		$ 7,722,000	$ 7,722,000		$ 13,325,000
Recoverable costs and accrued profit not yet billed		6,544,000	6,544,000		5,555,000
Allowance for doubtful accounts		(137,000)	(137,000)		(17,000)
Total contract receivables, net		14,129,000	14,129,000		$ 18,863,000
Unbilled contract receivables billed during July 2017	$ 3,200,000
Reorganizations [Abstract]
Bad debt expense			118,000	$ 0
Westinghouse [Member]
Reorganizations [Abstract]
Borrowings outstanding						$ 800,000,000
Billed and unbilled pre-petition receivables		$ 300,000	$ 300,000
Percentage of accounts receivable, unbilled receivables, and billings in excess reserved			100.00%
Bad debt expense			$ 118,000
Number of contracts \| Contract		1
Westinghouse [Member] \| Subsequent Event [Member]
Reorganizations [Abstract]
Number of facilities \| Facility	1
Contract Receivable [Member]
Concentration Risk [Line Items]
Number of customers accounting for contract receivables \| Customer		1	1		0
Percentage of contract receivables accounted by major customers			13.90%		10.00%