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EMPLOYEE BENEFIT PLANS - Activity related to options under all plans (Details) - $ / shares	12 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2018
Number of Shares
Balance, beginning of year	101,332	141,365	220,654
Options exercised	(58,000)	(37,533)	(59,289)
Options expired	0	(2,500)	(20,000)
Balance, end of year	43,332	101,332	141,365
Weighted Average Exercise Price
Balance, beginning of year	$ 3.26	$ 3.77	$ 4.74
Options exercised	3.69	4.84	4.13
Options expired	0.00	8.12	13.42
Balance, end of year	$ 2.69	$ 3.26	$ 3.77

X

- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-Subparagraph (c)(1)(iv)(4)
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- Definition

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

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- Definition

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

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Number of share options (or share units) exercised during the current period.

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