Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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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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Percentage of vesting of award under share-based payment arrangement.

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Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders.

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Stock Options and Warrants - Shares (Details) - Stock Option - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Aug. 31, 2020	Aug. 31, 2020	Feb. 29, 2020	Feb. 28, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options issued	525,907
Weighted average grant date fair value				$ 5.40	$ 2.95
Aggregate intrinsic value of stock options		$ 5,676	$ 7,806	$ 22,033	$ 305
Unrecognized compensation expense		$ 27,203	$ 27,203	$ 12,353
Weighted average period			2 years 2 months 12 days	2 years 1 month 6 days
2007 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock authorized to be issued				13,116,991
Term of option				10 years
Vesting period				4 years
Common stock available for future grants				941,887
2007 Plan \| Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				1 year
Vesting percentage				25.00%
2007 Plan \| Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period				3 years
Vesting percentage				75.00%