Note 18 - Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2016		Jun. 30, 2015		Jun. 30, 2014
Net Sales	$ 54,647	$ 50,329	$ 53,671	$ 51,038	$ 61,441	$ 56,116	$ 63,821	$ 60,172	$ 209,685	[1]	$ 241,550	[2]	$ 247,134	[3]
Gross Margin	404	14,733	15,999	15,852	16,694	18,694	22,164	19,143	46,988		76,695		81,096
Earnings Before Income Taxes	(23,048)	1,199	992	482	370	3,508	4,323	1,741	(20,375)		9,942		12,057
Net Earnings / (Loss)	$ (15,007)	$ 597	$ 458	$ (178)	$ (563)	$ 2,437	$ 2,447	$ 923	$ (14,130)		$ 5,244		$ 6,712
Basic and Diluted Earnings / (Loss) Per Share (in dollars per share)	$ (2.14)	$ 0.09	$ 0.07	$ (0.03)	$ (0.08)	$ 0.35	$ 0.35	$ 0.13	$ (2.01)		$ 0.75

[1] Excludes $8,259 of North American segment sales to the International segment and $9,282 sales of the International segment to the North American segment.

[2] Excludes $12,276 of North American segment sales to the International segment and $9,842 sales of the International segment to the North American segment.

[3] Excludes $17,692 of North American segment sales to the International segment and $8,585 sales of the International segment to the North American segment.