Income Taxes Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Jun. 30, 2012
Deferred tax assets:
Federal, state, and foreign net operating loss carryovers	$ 1,768	$ 2,453
Stock option compensation	1,212	988
Accrued vacation, allowance for returns, bonuses & other	2,493	600
Gross deferred tax asset	5,473	4,041
Deferred liabilities
Patents and trademarks	(536)	(587)
Change in tax accounting methods	(297)	(44)
Property & equipment	(824)	(540)
Gross deferred tax liabilities	(1,657)	(1,171)
Less: valuation allowance	(201)	(147)
Deferred tax assets, net	$ 3,615	$ 2,723