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Note 4 - Revenue From Contracts With Customers (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended								Six Months Ended
Category		June 30, 2019				June 30, 2018				June 30, 2019				June 30, 2018
Aerospace		$	1,003			$	2,205			$	1,216			$	6,079
Industrial			1,810				1,962				3,387				5,208
Research			1,102				1,014				1,954				1,875
Point in time			1,003				1,254				1,838				2,427
Net Revenue		$	4,918			$	6,435			$	8,395			$	15,589

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

		Three Months Ended				Three Months Ended
(In thousands)		June 30, 2019				June 30, 2018
Increase in revenue from net changes in transaction prices		$	0			$	34
(Decrease) increase in revenue from net changes in input cost estimates		$	(61	)		$	(479	)
Net (decrease) increase in revenue from net
Changes in estimates		$	(61	)		$	(445	)
Number of projects			26				15
Net change in estimate as a percentage of aggregate revenue for associated projects			(.9	%)			(9.2	%)

		Six Months Ended				Six Months Ended
(In thousands)		June 30, 2019				June 30, 2018
Increase in revenue from net changes in transaction prices		$	9			$	75
(Decrease) increase in revenue from net changes in input cost estimates		$	(240	)		$	(570	)
Net (decrease) increase in revenue from net
Changes in estimates		$	(231	)		$	(495	)
Number of projects			26				10
Net change in estimate as a percentage of aggregate revenue for associated projects			(.5	%)			(8.8	%)

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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- References

No definition available.

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