NOTE L - VALUATION ALLOWANCE ON DEFERRED TAX ASSETS	6 Months Ended
Oct. 31, 2018
Income Tax Disclosure [Abstract]
Income Tax Disclosure [Text Block]	NOTE L – VALUATION ALLOWANCE ON DEFERRED TAX ASSETS Deferred income taxes arise from temporary differences between the tax basis of assets and liabilities and their reported amounts in the financial statements, which will result in taxable or deductible amounts in the future. In evaluating our ability to recover deferred tax assets in the jurisdiction from which they arise, we consider all positive and negative evidence, including the reversal of deferred tax liabilities, projected future taxable income, tax planning strategies, and results of recent operations. Based on the weighting of all evidence, both positive and negative, most notably the three year cumulative loss, we established a full valuation allowance against our U.S. deferred tax assets during the quarter ended April 30, 2018. If these estimates and assumptions change in the future, the Company may be required to adjust its existing valuation allowance resulting in changes to deferred income tax expense. The Company evaluates the likelihood of realizing its deferred tax assets quarterly. On December 22, 2017, the legislation commonly known as the Tax Cuts and Jobs Act (the “TCJA” or the “Tax Act”) was enacted into law. In response to the TCJA, the U.S. Securities and Exchange Commission (“SEC”) issued Staff Accounting Bulletin No. 118 (“SAB 118”), which provides guidance on accounting for the tax effects of TCJA. The purpose of SAB 118 was to address any uncertainty or diversity of view in applying ASC Topic 740, Income Taxes in the reporting period in which the TCJA was enacted. SAB 118 addresses situations where the accounting is incomplete for certain income tax effects of the TCJA upon issuance of a company’s financial statements for the reporting period which include the enactment date. SAB 118 allows for a provisional amount to be recorded if it is a reasonable estimate of the impact of the TCJA. Additionally, SAB 118 allows for a measurement period to finalize the impacts of the TCJA, not to extend beyond one year from the date of enactment. The Company’s accounting for certain elements of the TCJA was incomplete as of April 30, 2018, and remains incomplete as of October 31, 2018. However, the Company was able to make reasonable estimates of the effects and, therefore, recorded provisional estimates for these items during the periods ended January 31, 2018 and April 30, 2018. There were no changes to the estimates during the six and three months ended October 31, 2018.

NOTE L – VALUATION ALLOWANCE ON DEFERRED TAX ASSETS

Deferred income taxes arise from temporary differences between the tax basis of assets and liabilities and their reported amounts in the financial statements, which will result in taxable or deductible amounts in the future. In evaluating our ability to recover deferred tax assets in the jurisdiction from which they arise, we consider all positive and negative evidence, including the reversal of deferred tax liabilities, projected future taxable income, tax planning strategies, and results of recent operations. Based on the weighting of all evidence, both positive and negative, most notably the three year cumulative loss, we established a full valuation allowance against our U.S. deferred tax assets during the quarter ended April 30, 2018. If these estimates and assumptions change in the future, the Company may be required to adjust its existing valuation allowance resulting in changes to deferred income tax expense. The Company evaluates the likelihood of realizing its deferred tax assets quarterly.

On December 22, 2017, the legislation commonly known as the Tax Cuts and Jobs Act (the “TCJA” or the “Tax Act”) was enacted into law. In response to the TCJA, the U.S. Securities and Exchange Commission (“SEC”) issued Staff Accounting Bulletin No. 118 (“SAB 118”), which provides guidance on accounting for the tax effects of TCJA. The purpose of SAB 118 was to address any uncertainty or diversity of view in applying ASC Topic 740, Income Taxes in the reporting period in which the TCJA was enacted. SAB 118 addresses situations where the accounting is incomplete for certain income tax effects of the TCJA upon issuance of a company’s financial statements for the reporting period which include the enactment date. SAB 118 allows for a provisional amount to be recorded if it is a reasonable estimate of the impact of the TCJA. Additionally, SAB 118 allows for a measurement period to finalize the impacts of the TCJA, not to extend beyond one year from the date of enactment.

The Company’s accounting for certain elements of the TCJA was incomplete as of April 30, 2018, and remains incomplete as of October 31, 2018. However, the Company was able to make reasonable estimates of the effects and, therefore, recorded provisional estimates for these items during the periods ended January 31, 2018 and April 30, 2018. There were no changes to the estimates during the six and three months ended October 31, 2018.