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No definition available.

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Amount of increase (decrease) in revenue recognized for cumulative catch-up adjustment from change in estimate of transaction price which increases (decreases) right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. Includes, but is not limited to, change in assessment of whether estimate of variable consideration is constrained.

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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- Definition

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

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- Definition

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

The cash inflow associated with the proceeds from sale and collection of receivables during the period.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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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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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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Quarterly Operating Results (Unaudited) - Summary of Quarterly Results of Operations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Revenue	$ 60,231	$ 49,712	$ 54,014	$ 57,290	$ 37,277	$ 49,884	$ 45,868	$ 37,993	$ 221,247	$ 171,022	$ 286,326
Gross profit (loss)	(3,964)	(3,212)	(699)	679	(25,914)	(494)	(11,620)	(4,897)	(7,196)	(42,925)	24,853
Net income (loss)	$ (4,682)	$ (10,949)	$ 549	$ (5,296)	$ (24,279)	$ (3,110)	$ (10,923)	$ (6,454)	$ (20,378)	$ (44,766)	$ 3,515
Basic and diluted EPS (in dollars per share)	$ (0.31)	$ (0.73)	$ 0.04	$ (0.36)	$ (1.63)	$ (0.21)	$ (0.73)	$ (0.45)	$ (1.36)	$ (3.02)	$ 0.24
Increase in operating loss due to change in estimates									$ 9,100		$ 1,800
Proceeds collection of receivables	$ 2,800
Gain on sale	4,100								(268)	$ 35	$ 757
Loss related to cost overruns and re-work					$ 34,500					34,500
Impairment charges related to inventory and assets	3,000
Shipyard
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Increase in operating loss due to change in estimates	$ 5,800								$ 6,700	$ 34,500