Note 14 - Restructuring Costs - Summary of Restructuring Costs for the Period (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Restructuring and related costs	$ 155
Employee Severance [Member]
Restructuring and related costs	19
Employee Relocation [Member]
Restructuring and related costs	53
Restructuring Impairment of Fixed Assets and Accelerated Depreciation [Member]
Restructuring and related costs	43
Facility Repairs [Member]
Restructuring and related costs	$ 40