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Description of Business and Summary of Significant Accounting Policies - Summary of Activity Related to SERP and Initial Stock Grant and Additional Stock Grants under Employment Agreement (Details) - $ / shares
12 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Feb. 28, 2018
Vested and settled     (38,750)
2012 Equity Incentive Plan [Member]      
Unvested Number of share, Beginning balance 470,807 322,250 381,262
Granted 571,352 188,245 74,156
Vested (127,007) (39,688) (60,868)
Vested and settled (200,000)   (72,300)
Forfeited 0 0 0
Unvested Number of share, Ending balance 715,152 470,807 322,250
Weighted Average Grant Date Fair Value, Beginning balance $ 5.49 $ 5.80 $ 6.01
Weighted Average Grant Date Fair Value, Granted 4.21 5.50 6.52
Weighted Average Grant Date Fair Value, Vested 4.18 8.13 7.77
Weighted Average Grant Date Fair Value, Vested and settled 4.15   5.98
Weighted Average Grant Date Fair Value, Forfeited 0 0 0
Weighted Average Grant Date Fair Value, Ending balance $ 5.07 $ 5.49 $ 5.80