Income Taxes (Narrative) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Operating Loss Carryforwards [Line Items]
Increase (Decrease) in deferred tax asset valuation allowance	$ 3,700
Unrecognized tax benefits	446	$ 446	$ 399
States Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carry forward	$ 2,146
Operating loss carryforward, expiration year	2026
Tax credit carryforward	$ 721
Federal Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforward	$ 1,111
Tax credit carryforward, expiration year	2027