Note 9 - Stock Compensation Plans - Summarizes Stock Awards (Details) - 2007 Equity Incentive Plan [Member
12 Months Ended
Feb. 29, 2020
shares
Original share authorization: (in shares) 300,000
Prior plan shares authorized and incorporated in the 2007 Plan: (in shares) 85,340
Additional shares authorized through 2007 Plan amendment: (in shares) 300,000
Available for award: (in shares) 685,340
Cancelled/forfeited: (in shares) 200,471
Shares awarded as unrestricted shares, stock options or restricted stock units: (in shares) (866,487)
Shares available for award: (in shares) 19,324