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EXCEL - IDEA: XBRL DOCUMENT - PATRIOT SCIENTIFIC CORPFinancial_Report.xls
10-Q - FORM 10-Q - PATRIOT SCIENTIFIC CORPpatriot_10q-022912.htm
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EX-31.1 - CERTIFICATION - PATRIOT SCIENTIFIC CORPpatriot_10q-ex3101.htm
EX-31.2 - CERTIFICATION - PATRIOT SCIENTIFIC CORPpatriot_10q-ex3102.htm
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4. Income Taxes
9 Months Ended
Feb. 29, 2012
Income Tax Disclosure [Text Block]
4.   Income Taxes

During the third quarter of fiscal 2011, we determined that it was not more likely than not that all of our deferred tax assets will be realized in the future due to our continuing pre-tax and taxable losses.  As a result of this determination we have placed a full valuation allowance against our deferred tax assets.  There have been no changes to our determination during the current fiscal year.