Cash, cash equivalents and short-term and long-term investments.

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Represents amount of unrecognized tax benefits recorded as a reduction to deferred tax assets.

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Amount of increase (decrease) in unrecognized tax benefits resulting from changes in judgement.

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Amount of increase (decrease) on remeasurement in unrecognized tax benefits from effect of Tax Cuts and Jobs Act of 2017.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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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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Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Amount of unrecognized tax benefits.

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Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.

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Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.

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Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.

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6. INCOME TAXES - Unrecognized tax benefits (Details) - USD ($)	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2019	Jun. 30, 2020
Unrecognized tax benefits, noncurrent		$ 0	$ 613,000
Deferred tax assets unrecognized tax benefit		3,300,000	2,700,000
Deferred tax assets, gross		13,209,000	9,414,000
Valuation allowance		(13,017,000)	(9,389,000)
Cash, cash equivalents and short-term and long-term investments		59,700,000
Provision for income taxes		335,000	247,000	$ 105,000
Deferred tax liability		9,000	7,000
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Unrecognized tax benefits, beginning of period		3,321,000	3,102,000	2,735,000
Additions based on tax positions related to current year		233,000	394,000	371,000
Additions based on tax positions related to prior years				13,000
Settlements during the period		(203,000)
Reductions based on tax positions related to prior years		(78,000)	(158,000)	(17,000)
Lapses during the current year applicable to statutes of limitations			(17,000)
Unrecognized tax benefits, end of period		3,273,000	$ 3,321,000	$ 3,102,000
Accrued expenses and other liabilities
Income taxes, accrued					$ 713,000
Israel Tax Authority [Member]
Provision for income taxes		$ 479,000
Income tax payment	$ 713,000