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6. INCOME TAXES - Unrecognized tax benefits (Details) - USD ($)	3 Months Ended			9 Months Ended
	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019	Jun. 30, 2020	Mar. 31, 2020
Unrecognized tax benefits, current	$ 0			$ 0			$ 0
Unrecognized tax benefits, noncurrent	326,000			326,000			613,000
Deferred tax assets unrecognized tax benefit	3,000,000			3,000,000
Valuation allowance	(12,400,000)			(12,400,000)			(9,400,000)
Net deferred tax asset	12,400,000			12,400,000			$ 9,400,000
Provision for income taxes	$ 90,000		$ 84,000	$ 639,000	$ 182,000
Effective annual income tax rate (as a percentage)				(3.40%)	(2.20%)
Israel Tax Authority [Member]
Provision for income taxes				$ 479,000
Income tax payment		$ 713,000
Israel Tax Authority [Member] | Accrued expenses and other liabilities
Income taxes, accrued						$ 713,000

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- Definition

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

+ References

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

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

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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 current.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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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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