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Deferred tax assets operating loss carryforwards expiration.

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Deferred Tax Assets, Percentage Of Valuation Allowance.

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Tax Cuts and Jobs Act of 2017 incomplete accounting provisional income tax expense (benefit).

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Tax Cuts and Jobs Act of 2017 incomplete accounting transition tax for accumulated foreign earnings provisional income tax expense.

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Tax Cuts and Jobs Act of 2017 incomplete accounting undistributed accumulated earnings of foreign subsidiary provisional unrecognized deferred tax liability.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible foreign tax credit carryforwards.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of cash outflow for realized tax benefit related to deductible compensation cost reported on the entity's tax return for equity instruments in excess of the compensation cost for those instruments recognized for financial reporting purposes.

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Amount recognized for uncertainty in income taxes classified as noncurrent.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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INCOME TAXES (Narrative) (Details) - USD ($)	2 Months Ended	3 Months Ended	10 Months Ended	12 Months Ended
INCOME TAXES (Narrative) (Details) - USD ($)	Feb. 28, 2018	Feb. 28, 2018	Dec. 31, 2017	Feb. 28, 2018	Feb. 28, 2017	Feb. 29, 2016
Operating Loss Carryforwards [Line Items]
Change in valuation allowance				$ 4,800,000
Reduction in foreign tax credits	$ 2,400,000	$ 2,400,000		2,400,000
Change in valuation allowance				(4,800,000)
Excess tax deductions from share-based payment arrangements				$ 2,600,000	$ 0	$ 4,500,000
Unrecognized tax benefit from uncertain tax position					$ 1,000,000
Valuation allowance percentage	100.00%	100.00%		100.00%
Federal corporate tax rate	21.00%		35.00%
Tax Cuts and Jobs Act, Income tax expense		$ 6,600,000
One-time transition tax liability, increase in income tax expense				$ 2,400,000
Additional income taxes for remaining undistributed foreign earnings				0
Deferred tax liabilities, on undistributed foreign earnings	$ 0	0		0
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Change in valuation allowance				(1,800,000)
Change in valuation allowance				1,800,000
Net operating loss carryforwards	43,000,000	43,000,000		43,000,000
State and Local Jurisdiction [Member] \| Research Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	8,000,000	8,000,000		8,000,000
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	35,000,000	35,000,000		35,000,000
Domestic Tax Authority [Member] \| Research Tax Credit Carryforward [Member]
Operating Loss Carryforwards [Line Items]
Tax credit carryforwards	9,100,000	9,100,000		9,100,000
California [Member]
Operating Loss Carryforwards [Line Items]
Expiration of NOL	2,100,000	2,100,000		2,100,000
Italy [Member]
Operating Loss Carryforwards [Line Items]
Foreign deferred tax assets	7,400,000	7,400,000		7,400,000
Canada [Member]
Operating Loss Carryforwards [Line Items]
Foreign deferred tax assets	7,600,000	7,600,000		7,600,000
Italy and Canada [Member]
Operating Loss Carryforwards [Line Items]
Net operating losses	11,900	11,900		11,900
Research and development carry forwords	$ 2,800	$ 2,800		$ 2,800