Income Taxes - Changes in deferred tax, valuation allowance (Details) - USD ($) $ in Thousands	12 Months Ended
Feb. 29, 2020	Feb. 28, 2019
Changes in deferred tax, valuation allowance
Balance at the beginning of the period	$ 61,902	$ 47,908
(Decrease) increase due to NOLs and temporary differences	16,100	13,994
(Decrease) increase due to acquisitions	5,638
Balance at the end of the period	$ 83,640	$ 61,902

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

No definition available.

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- Definition

Amount of increase (decrease) in the valuation allowance due to acquisitions.

+ References

No definition available.

+ Details

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- Definition

Amount of increase (decrease) in the valuation allowance due to Net Operating Losses and temporary differences.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

+ Details

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