Goodwill and Indefinite-Lived Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Goodwill [Roll Forward]
Balance at beginning	$ 112	$ 353
Balance at end	112	112
Fineline Molds [Member] | Trade Name [Member]
Goodwill [Roll Forward]
Balance at beginning	50	54
Impairment charge		(4)
Balance at end	50	50
Fineline Molds [Member] | Goodwill [Member]
Goodwill [Roll Forward]
Balance at beginning	112	353
Impairment charge		(241)
Balance at end	112	$ 112
Huber Precision [Member] | Customer list and backlog [Member]
Goodwill [Roll Forward]
Impairment charge	$ (113)