Note 11 - Income Taxes - Components of Earnings (Loss) Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	$ (211)	$ (1,244)	$ 1,517	$ 1,476	$ (23,048)	$ 1,199	$ 992	$ 482	$ 1,538	$ (20,375)	$ 9,942
Domestic Operations [Member]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									(1,547)	(17,541)	8,118
Foreign Operations [Member]
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest									$ 3,085	$ (2,834)	$ 1,824