Income Taxes - Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Jun. 30, 2013
Deferred tax assets:
Federal, state, and foreign net operating loss carryovers	$ 1,016	$ 1,768
Stock option compensation	1,353	1,212
Accrued vacation, allowance for returns, bonuses & other	572	2,493
Gross deferred tax asset	2,941	5,473
Deferred liabilities
Patents and trademarks	(500)	(536)
Change in tax accounting methods	(198)	(297)
Property & equipment	(583)	(824)
Gross deferred tax liabilities	(1,281)	(1,657)
Less: valuation allowance	(217)	(201)
Deferred tax assets, net	$ 1,443	$ 3,615