Note 2 - Segment Information - Summary of Financial Results for Reportable Segments (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019		Sep. 30, 2018
Sales	$ 52,114	[1]	$ 51,901	[2]
Operating Income (Loss)	1,445		936	[3]
North American Segment [Member]
Sales	31,009	[1]	30,200	[2]
Operating Income (Loss)	2,206		373	[3]
International [Member]
Sales	21,105	[1]	21,701	[2]
Operating Income (Loss)	1,163		2,119	[3]
Unallocated [Member]
Sales		[1]		[2]
Operating Income (Loss)	$ (1,924)		$ (1,556)	[3]

[1] Excludes $968 of North American segment intercompany sales to the International segment, and $4,242 of International segment intercompany sales to the North American segment.

[2] Excludes $1,134 of North American segment intercompany sales to the International segment, and $3,320 of International segment intercompany sales to the North American segment.

[3] As a result of the adoption of ASU 2017-07 "Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost", the respective line items in the Consolidated Statement of Earnings for Fiscal 2019 have been reclassified.