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STOCK-BASED COMPENSATION - Stock options outstanding by exercise price (Details)	6 Months Ended
	Sep. 30, 2023 $ / shares shares
STOCK-BASED COMPENSATION
Options Outstanding | shares	542,500
Options Exercisable | shares	542,500
Range One
STOCK-BASED COMPENSATION
Exercise Price, Lower Range	$ 0.01
Exercise Price, Upper Range	$ 0.99
Options Outstanding | shares	192,500
Options Outstanding, Weighted Average Remaining Contractual Term	1 year 10 months 13 days
Options Outstanding, Weighted Average Exercise Price	$ 0.32
Options Exercisable | shares	192,500
Options Exercisable, Weighted Average Exercise Price	$ 0.32
Range Two
STOCK-BASED COMPENSATION
Exercise Price, Lower Range	2.00
Exercise Price, Upper Range	$ 2.99
Options Outstanding | shares	350,000
Options Outstanding, Weighted Average Remaining Contractual Term	3 years 7 months 28 days
Options Outstanding, Weighted Average Exercise Price	$ 2.19
Options Exercisable | shares	350,000
Options Exercisable, Weighted Average Exercise Price	$ 2.19

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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

The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

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

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