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STOCKHOLDERS' EQUITY: - Stock Option Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Mar. 31, 2021 USD ($) $ / shares shares
Stock Option Activity - Number of Shares
Outstanding at beginning of the period (in shares) | shares	1,350,658
Grants in period (in shares) | shares	42,154
Exercised (in shares) | shares	(538,798)
Forfeited or cancelled (in shares) | shares	(9,969)
Outstanding at end of the period (in shares) | shares	844,045
Weighted-average exercise price per share
Outstanding at the beginning of the period (in dollars per share) | $ / shares	$ 14.43
Grants in period (in dollars per share) | $ / shares	0.70
Exercised (in dollars per share) | $ / shares	12.16
Forfeited or cancelled (in dollars per share) | $ / shares	4.14
Outstanding at the end of the period (in dollars per share) | $ / shares	$ 15.31
Weighted average remaining contractual term	3 years 4 months 24 days
Exercised | $	$ 23,227
Outstanding at the end of the period | $	$ 30,863
Exercisable at the end of the period (in shares) | shares	776,744
Exercisable at the end of the period (in dollars per share) | $ / shares	$ 16.53
Exercisable at the end of the period	3 years
Exercisable at the end of the period | $	$ 27,454

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- Definition

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.

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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.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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

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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.

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

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