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Note 4 - Revenue From Contracts With Customers (Tables)

9 Months Ended

Sep. 30, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

(In thousands)		Three Months Ended								Nine Months Ended
Category		September 30, 2018				September 30, 2017				September 30, 2018				September 30, 2017
Aerospace			429				6,410				6,508				20,346
Industrial			755				1,653				5,963				5,035
Research			503				526				2,378				1,988
Point in time			2,341				2,243				4,768				3,943
Net revenue			4,028				10,832				19,617				31,312

Contract with Customer, Asset and Liability [Table Text Block]

	Three Months Ended			Nine Months Ended
(In thousands)	September 30, 2018			September 30, 2018
Increase in revenue from net changes in transaction prices	$	71			146
(Decrease) in revenue from net changes in input cost estimates		(1,170	)		(1,740	)
Net (decrease) in revenue from net changes in estimates		(1,099	)		(1,594	)
Number of projects		15			15
Net change in estimate as a percentage of aggregate revenue for associated projects		(2.4	%)		(3.4	%)

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- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

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-Name Accounting Standards Codification
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