Note I - Income Taxes	9 Months Ended
Mar. 31, 2014
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	I. Income Taxes The effective tax rate for the three months ended March 31, 2014 was an expense of 40.9% and the effective tax rate for the nine months ended March 31, 2014 was an expense of 37.2%. The rate differs from the U.S. federal statutory rate of 34% primarily due to the recognition of state income taxes partially offset by the favorable impact of foreign earnings taxed at less than the U.S. statutory rate and adjustments for discrete items that occurred during the three months ended March 31, 2014, as discussed below. The estimated state tax rate included in the effective tax rate has been adjusted for changes in the estimated California apportionment factor and estimates of income taxes in other states resulting from a state nexus study which was completed during the quarter. To determine our quarterly provision for income taxes, we used an estimated annual effective tax rate, which is based on expected annual income, statutory tax rates and tax planning opportunities available in the various jurisdictions to which the Company is subject. Certain significant or unusual items are separately recognized in the quarter in which they occur and can be a source of variability in the effective tax rate from quarter to quarter. For the three months ended March 31, 2014 these discrete items included (1) an expense to adjust the state deferred tax assets as a result of a change in the estimated state tax rate, (2) an expense to establish a valuation allowance on a portion of the deferred tax asset for the California net operating loss, (3) a net benefit of state taxes as a result of adjusting California apportionment and filing in other states for prior years, and (4) a true-up of the R&D credit claimed on the federal income tax return filed in the current quarter. We recognize interest and penalties related to uncertain tax positions, if any, as an income tax expense. We record valuation allowances to reduce our deferred tax assets to an amount that we believe is more likely than not to be realized. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. During the three months ended March 31, 2014, as a result of changes in California apportionment rules and the state nexus study which was completed during the quarter, the Company determined that $193,000 of the deferred tax asset for California net operating losses was not more likely than not to be realized. As a result, we have established a valuation allowance on our net deferred tax assets for this amount. The total amount of unrecognized tax benefits was approximately $88,000 as of March 31, 2014. The accrual for the unrecognized tax benefit relates to a tax liability for prior years and the current year in states where the Company has not previously filed offset by net benefit that will be received from filing amended returns in California. The Company is in the process of filing prior year and current year tax returns in these states under each state’s voluntary disclosure amnesty programs. The gross liability for income taxes related to unrecognized tax benefits is included in other current liabilities in the Company's balance sheet. There are no penalties or interest related to uncertain tax positions accrued as of March 31, 2014. Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences of temporary differences between the financial reporting basis and tax basis of our assets and liabilities. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. We are subject to taxation in the U.S., Switzerland, and various state jurisdictions. Our tax years for the fiscal year ended June 30, 2005 and forward are subject to examination by U.S. and state tax authorities and our tax years for the fiscal year ended June 30, 2007 and forward are subject to examination by the Switzerland tax authorities. We do not record U.S. income tax expense for NAIE’s retained earnings that are declared as indefinitely reinvested offshore, thus reducing our overall income tax expense. The amount of earnings designated as indefinitely reinvested in NAIE is based on the actual deployment of such earnings in NAIE’s assets and our expectations of the future cash needs of our U.S. and foreign entities. Income tax laws are also a factor in determining the amount of foreign earnings to be indefinitely reinvested offshore. It is our policy to establish reserves based on management’s assessment of exposure for certain positions taken in previously filed tax returns that may become payable upon audit by tax authorities. The tax reserves are analyzed quarterly and adjustments are made as events occur that we believe warrant adjustments to the reserves.

Note I - Income Taxes

9 Months Ended

Mar. 31, 2014

I. Income Taxes

The effective tax rate for the three months ended March 31, 2014 was an expense of 40.9% and the effective tax rate for the nine months ended March 31, 2014 was an expense of 37.2%. The rate differs from the U.S. federal statutory rate of 34% primarily due to the recognition of state income taxes partially offset by the favorable impact of foreign earnings taxed at less than the U.S. statutory rate and adjustments for discrete items that occurred during the three months ended March 31, 2014, as discussed below. The estimated state tax rate included in the effective tax rate has been adjusted for changes in the estimated California apportionment factor and estimates of income taxes in other states resulting from a state nexus study which was completed during the quarter.

To determine our quarterly provision for income taxes, we used an estimated annual effective tax rate, which is based on expected annual income, statutory tax rates and tax planning opportunities available in the various jurisdictions to which the Company is subject. Certain significant or unusual items are separately recognized in the quarter in which they occur and can be a source of variability in the effective tax rate from quarter to quarter. For the three months ended March 31, 2014 these discrete items included (1) an expense to adjust the state deferred tax assets as a result of a change in the estimated state tax rate, (2) an expense to establish a valuation allowance on a portion of the deferred tax asset for the California net operating loss, (3) a net benefit of state taxes as a result of adjusting California apportionment and filing in other states for prior years, and (4) a true-up of the R&D credit claimed on the federal income tax return filed in the current quarter. We recognize interest and penalties related to uncertain tax positions, if any, as an income tax expense.

We record valuation allowances to reduce our deferred tax assets to an amount that we believe is more likely than not to be realized. In assessing the realizability of deferred tax assets, management considers whether it is more likely than not that some portion or all of the deferred tax assets will be realized. The ultimate realization of deferred tax assets is dependent upon the generation of future taxable income during the periods in which those temporary differences become deductible. During the three months ended March 31, 2014, as a result of changes in California apportionment rules and the state nexus study which was completed during the quarter, the Company determined that $193,000 of the deferred tax asset for California net operating losses was not more likely than not to be realized. As a result, we have established a valuation allowance on our net deferred tax assets for this amount.

The total amount of unrecognized tax benefits was approximately $88,000 as of March 31, 2014. The accrual for the unrecognized tax benefit relates to a tax liability for prior years and the current year in states where the Company has not previously filed offset by net benefit that will be received from filing amended returns in California. The Company is in the process of filing prior year and current year tax returns in these states under each state’s voluntary disclosure amnesty programs. The gross liability for income taxes related to unrecognized tax benefits is included in other current liabilities in the Company's balance sheet. There are no penalties or interest related to uncertain tax positions accrued as of March 31, 2014.

Income taxes are accounted for under the asset and liability method. Deferred tax assets and liabilities are recognized for the future tax consequences of temporary differences between the financial reporting basis and tax basis of our assets and liabilities. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply to taxable income in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date.

We are subject to taxation in the U.S., Switzerland, and various state jurisdictions. Our tax years for the fiscal year ended June 30, 2005 and forward are subject to examination by U.S. and state tax authorities and our tax years for the fiscal year ended June 30, 2007 and forward are subject to examination by the Switzerland tax authorities.

We do not record U.S. income tax expense for NAIE’s retained earnings that are declared as indefinitely reinvested offshore, thus reducing our overall income tax expense. The amount of earnings designated as indefinitely reinvested in NAIE is based on the actual deployment of such earnings in NAIE’s assets and our expectations of the future cash needs of our U.S. and foreign entities. Income tax laws are also a factor in determining the amount of foreign earnings to be indefinitely reinvested offshore.

It is our policy to establish reserves based on management’s assessment of exposure for certain positions taken in previously filed tax returns that may become payable upon audit by tax authorities. The tax reserves are analyzed quarterly and adjustments are made as events occur that we believe warrant adjustments to the reserves.

- Definition

The entire disclosure for income taxes. Disclosures may include net deferred tax liability or asset recognized in an enterprise's statement of financial position, net change during the year in the total valuation allowance, approximate tax effect of each type of temporary difference and carryforward that gives rise to a significant portion of deferred tax liabilities and deferred tax assets, utilization of a tax carryback, and tax uncertainties information.

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