Income Taxes (Reconciliation of income tax rate) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Income Tax Benefit Expenses [Line Items]
Tax at Federal statutory rate	$ 1,721	$ 1,362
Increases (decreases) in taxes resulting from:
Meals and entertainment	66	63
State income taxes, net of Federal income tax benefit	21	20
Foreign source income not subject to tax	(1,069)	(837)
R&D Credit refund	(328)	(144)
Income tax reserve adjustments	(93)	0
Other, net	(102)	67
Effective tax rate	$ 216	$ 531
Tax at Federal statutory rate	34.00%	34.00%
Increases (decreases) in taxes resulting from:
Meals and entertainment	1.30%	1.60%
State income taxes, net of Federal income tax benefit	0.40%	0.50%
Foreign source income not subject to tax	(21.10%)	(20.90%)
R&D Credit refund	(6.50%)	(3.60%)
Income tax reserve adjustments	(1.80%)	0.00%
Other, net	(2.00%)	1.70%
Effective tax rate	4.30%	13.30%