Note 3 - Contracts in Progress (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

(In thousands)	2018		2017
Category
Aerospace	$	8,115	$	26,787
Industrial		7,043		6,629
Research		4,114		2,617
Point in time		5,062		5,095
Net revenue	$	24,334	$	41,128

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

(In thousands)	2018			2017
Increase in revenue from net changes in transaction prices	$	254		$	148
Decrease in revenue from net changes in input cost estimates		(268	)		(126	)
Net (decrease) increase in revenue from net changes in estimates	$	(14	)	$	22
Number of projects		10			2
Net change in estimate as a percentage of aggregate revenue for associated projects		(0.08	%)		0.06	%

Schedule Of Cost And Estimated Earnings In Excess Of Billings [Table Text Block]

	2018			2017
Costs incurred on contracts in progress	$	24,913,254		$	22,079,680
Estimated earnings		26,040,219			16,499,697
		50,953,473			38,579,377
Billings to date		(50,132,200	)		(30,648,666	)
	$	821,273		$	(7,930,711	)
Included in accompanying balance sheets
Under the following captions:
Contract assets	$	1,357,797		$	8,397,024
Contract liabilities	$	(536,524	)	$	(466,313	)