5. EQUITY TRANSACTIONS (Details - Options exercisable) - Stock Options [Member] - $ / shares	12 Months Ended
Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019
Stock options outstanding	844,089	51,124	59,111
Outstanding Weighted Average Exercise Price	$ 3.07	$ 44.12	$ 56.85
Stock options exercisable	58,954	25,197
Stock options exercisable Weighted Average Exercise Price	$ 20.06	$ 70.08
$1.28 - $1.68 [Member]
Stock options outstanding	479,814
Weighted Average Remaining Life (Years)	9 years 2 months 30 days
Outstanding Weighted Average Exercise Price	$ 1.34
Stock options exercisable
Stock options exercisable Weighted Average Exercise Price
$2.45 - $2.52 [Member]
Stock options outstanding	329,766
Weighted Average Remaining Life (Years)	9 years
Outstanding Weighted Average Exercise Price	$ 2.5
Stock options exercisable	24,445
Stock options exercisable Weighted Average Exercise Price	$ 2.45
$18.75 - $142.50 [Member]
Stock options outstanding	34,509
Weighted Average Remaining Life (Years)	5 years 10 months 17 days
Outstanding Weighted Average Exercise Price	$ 32.53
Stock options exercisable	34,509
Stock options exercisable Weighted Average Exercise Price	$ 32.53

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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