Composition of Certain Financial Statement Items (Intangible Assets) (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Total intangibles	$ 422	$ 612
Less accumulated amortization	(102)	(161)
Intangible assets,net	320	451
Capitalized Software Development Costs [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles		73
Covenant Not To Compete [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	52	52
Trade Name [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	50	50
Customer list and backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	167	316
Patent-related costs [Member]
Finite-Lived Intangible Assets [Line Items]
Total intangibles	$ 153	$ 121