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8. INCOME TAXES (Tables) | 12 Months Ended
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Mar. 31, 2021
Income Tax Disclosure [Abstract] |
Schedule of deferred tax assets | Significant components of our net deferred tax assets at March 31, 2021 and 2020 are shown below:
|  | YEAR ENDED MARCH 31, |
|  | 2021 |  |  | 2020 |
Deferred tax assets: |  |  |  |  |  |  |  |
Capitalized research and development |  | $ | 3,442,000 |  |  | $ | 3,442,000 |
Net operating loss carryforwards1 |  |  | 19,921,000 |  |  |  | 18,384,000 |
Stock compensation |  |  | 1,399,000 |  |  |  | 1,181,000 |
Total deferred tax assets |  |  | 24,762,000 |  |  |  | 23,007,000 |
Total deferred tax liabilities |  |  | – |  |  |  | – |
Net deferred tax assets |  |  | 24,762,000 |  |  |  | 23,007,000 |
Valuation allowance for deferred tax assets |  |  | (24,762,000 | ) |  |  | (23,007,000 | )
Net deferred tax assets |  | $ | – |  |  | $ | – |
Provision for income taxes | The provision for income taxes on earnings subject to income taxes differs from the statutory federal rate for the years ended March 31, 2021 and 2020 due to the following:
|  | 2021 |  |  | 2020 |
Income taxes (benefit) at federal statutory rate of 21.00% |  | $ | (1,657,000 | ) |  | $ | (1,340,000 | )
State income tax, net of federal benefit |  |  | (551,000 | ) |  |  | (446,000 | )
Tax effect on non-deductible expenses and credits |  |  | 1,000 |  |  |  | 122,000 |
True up items |  |  | 25,000 |  |  |  | 42,000 |
Expiration of net operating loss carryforwards |  |  | 427,000 |  |  |  | 222,000 |
Change in valuation allowance |  |  | 1,755,000 |  |  |  | 1,400,000 |
|  | $ | – |  |  | $ | – |
______________ (1) Pursuant to Internal Revenue Code Section 382, use of our tax net operating loss carryforwards may be limited.

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- Definition Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32537-109319 + Details
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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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