Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2009
Operating Loss Carryforwards [Line Items]
Deferred income taxes, net	$ 933,000	$ 846,000
Deferred tax assets, current	765,000
Deferred tax assets, noncurrent	168,000
U.S. Federal net operating loss carryforwards, income tax purposes	116,808,000
Net operating loss carryforwards, amount to expire	18,623,000
Alternative minimum tax credit for federal purposes	207,000
Carryforward period	20 years
Aforementioned U.S. Federal Tax net operating loss carryforwards	116,808,000
Net operating loss	11,000,000
Research and developement credits	254,000
Cash and cash equivalents	29,613,000	27,814,000	31,364,000	29,110,000
Valuation allowances for deferred tax assets	54,340,000	54,792,000
Change in valuation allowance	452,000
Increase due to creation of deferred tax assets	1,118,000
Decrease due to expiration and true-ups of domestic net operating loss carryforwards	696,000
Increase due to miscellaneous true-ups of prior year deferred tax amounts	18,000
Decrease due to exchange rate changes and the effect of unrealized gains/losses	892,000
Unrecognized tax benefits	154,000
Interest	15,000
Penalties	1,000
Accrued interest	199,000	184,000
Accrued penalties	88,000	88,000
Cash [Member]
Operating Loss Carryforwards [Line Items]
Cash and cash equivalents held by foreign subsidiaries	2,148,000
State [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	64,125,000
Foreign [Member]
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	30,964,000
Research And Development [Member]
Operating Loss Carryforwards [Line Items]
Tax credit	$ 140,000