Other Assets, net (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Finite-Lived Intangible Assets, Gross		$ 1,008	$ 912
Less: Accumulated Amortization		(778)	(761)
Finite-Lived Intangible Assets, Net		230	151
Change in estimate on patents and trademarks	[1]	0	73	$ 0
Total amortization expense		45	107	37
Computer Software, Intangible Asset [Member]
Finite-Lived Intangible Assets, Gross		90	28
Total amortization expense		12	0	0
Licensing Agreements [Member]
Finite-Lived Intangible Assets, Gross		552	518
Total amortization expense		16	16	12
Intellectual Property [Member]
Finite-Lived Intangible Assets, Gross		366	366
Total amortization expense		$ 17	$ 18	$ 25

[1] The change in estimate is the result of the review of information contained in the amortization assumptions which is based on new information resulted in a non-recurring change in the amortization expense.