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STOCK PLANS AND STOCK-BASED COMPENSATION - Stock option activity (Details) - $ / shares	3 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Number of Shares
Balance, beginning of year	43,332	101,332
Options exercised	(5,000)	(15,000)
Balance, end of year	38,332	86,332
Weighted Average Exercise Price
Balance, beginning of year	$ 2.69	$ 3.26
Options exercised	1.97	3.27
Balance, end of year	$ 2.78	$ 3.26

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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

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