Note 2 - Acquisitions (Tables)

3 Months Ended

Sep. 30, 2019

Notes Tables

Business Combination, Acquisition Related Costs [Table Text Block]

	Three Months Ended
	September 30,
	2019		2018
Deferred compensation arrangements	$	703	$	667
Other acquisition-related costs		31		21
Total	$	734	$	688

Tenibac-Graphion, Inc. [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Preliminary Allocation September 30, 2018			Adjustments		Final Allocation
Fair value of business combination:
Cash payments	$	57,284		$	-	$	57,284
Less cash acquired		(558	)		-		(558	)
Total	$	56,726		$	-	$	56,726

	Preliminary Allocation September 30, 2018			Adjustments			Final Allocation
Identifiable assets acquired and liabilities assumed:
Other acquired assets	$	5,023		$	(1,253	)	$	3,770
Inventories		324			-			324
Customer backlog		1,000			(800	)		200
Property, plant, & equipment		2,490			(19	)		2,471
Identifiable intangible assets		15,960			900			16,860
Goodwill		32,949			1,411			34,360
Liabilities assumed		(1,020	)		(239	)		(1,259	)
Total	$	56,726		$	-		$	56,726

Agile Magnetics [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Preliminary Allocation September 30, 2018			Adjustments		Final Allocation September 30, 2019
Fair value of business combination:
Cash payments	$	39,194		$	-	$	39,194
Less, cash acquired		(1	)		-		(1	)
Total	$	39,193		$	-	$	39,193

	Preliminary Allocation September 30, 2018			Adjustments			Final Allocation September 30, 2019
Identifiable assets acquired and liabilities assumed:
Other acquired assets	$	1,928		$	(35	)	$	1,893
Inventories		2,506			268			2,774
Customer Backlog		-			200			200
Property, plant, & equipment		1,318			(348	)		970
Identifiable intangible assets		13,718			3,632			17,350
Goodwill		20,142			(3,708	)		16,434
Liabilities assumed		(419	)		(9	)		(428	)
Total	$	39,193		$	-		$	39,193

GS Engineering [Member]

Notes Tables

Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]

	Preliminary Allocation June 30, 2019			Adjustments		Adjusted Preliminary Allocation September 30, 2019
Fair value of business combination:
Cash payments	$	30,502		$	-	$	30,502
Less, cash acquired		(622	)		-		(622	)
Total	$	29,880		$	-	$	29,880

	Preliminary Allocation June 30, 2019			Adjustments			Adjusted Preliminary Allocation September 30, 2019
Identifiable assets acquired and liabilities assumed:
Other acquired assets	$	2,197		$	(72	)	$	2,125
Inventories		228			(75	)		153
Customer Backlog		180			-			180
Property, plant, & equipment		1,391			-			1,391
Identifiable intangible assets		8,910			-			8,910
Goodwill		17,976			147			18,123
Liabilities assumed		(1,002	)		-			(1,002	)
Total	$	29,880		$	-		$	29,880