STOCK COMPENSATION (Details - Stock compensation) - USD ($)	3 Months Ended	6 Months Ended
Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Interim Period, Costs Not Allocable [Line Items]
Total stock-based compensation expense	$ 201,061	$ 167,042	$ 321,216	$ 251,249
Weighted average number of common shares outstanding- basic and diluted	15,386,486	12,070,592	14,114,639	10,845,049
Basic and diluted loss per common share attributable to stock-based compensation expense	$ (0.13)	$ (0.15)	$ (0.29)	$ (0.29)
Vesting Options [Member]
Interim Period, Costs Not Allocable [Line Items]
Total stock-based compensation expense	$ 201,061	$ 167,042	$ 321,216	$ 251,249
Share Based Compensation [Member]
Interim Period, Costs Not Allocable [Line Items]
Basic and diluted loss per common share attributable to stock-based compensation expense	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.02)

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 45
-Paragraph 7
-URI http://asc.fasb.org/extlink&oid=125511455&loc=d3e1337-109256

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Amount of noncash expense for share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
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Average number of shares or units issued and outstanding that are used in calculating basic and diluted earnings per share (EPS).

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