Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

(In thousands)			Adoption of
	As Reported		ASC 606			As Adjusted
Costs and estimated earnings in excess of billings	$	8,397	$	(8,397	)	$	---
Contract assets		---		8,397			8,397
Billings in excess of costs and estimated earnings		466		(466	)		---
Contract liabilities		---		466			466