Stock-based Compensation Plans (Details Narrative) - USD ($) |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Jul. 06, 2017 |
Nov. 30, 2018 |
Nov. 30, 2017 |
Nov. 30, 2018 |
Nov. 30, 2017 |
Feb. 28, 2018 |
|
| Share-based compensation expense | $ 800,000 | $ 4,300,000 | $ 2,600,000 | $ 5,200,000 | ||
| Number of shares available for issuance forfeited and expired | 3,271,496 | |||||
| Common stock, shares issued | 33,805,706 | 33,805,706 | 33,751,088 | |||
| Restricted Stock Units (RSUs) [Member] | ||||||
| Share-based compensation expense | $ 200,000 | $ 100,000 | $ 600,000 | $ 100,000 | ||
| Equity Incentive plan [Member] | ||||||
| Common stock shares reserved for future issuance | 3,000,000 | |||||
| Equity incentive plan description | Common stock were reserved for issuance under the Plan with annual automatic share reserve increases amounting to the lessor of (i) 1,500,000 shares, (ii) 5% of the outstanding shares on the last day of the immediately preceding fiscal year, or (iii) or such number of shares determined by the Administrator of the Plan. | |||||
| Common stock, shares issued | 1,264,102 | |||||
| Number of units available for issuance | 1,735,898 | |||||