Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Schedule of Restricted Stock Unit Activity (Details)

v3.20.4
Stockholders' Equity - Schedule of Restricted Stock Unit Activity (Details) - Restricted Stock Units (RSUs) - $ / shares
3 Months Ended 9 Months Ended
Feb. 04, 2020
Jan. 31, 2021
Jan. 31, 2021
Number of Shares      
Unvested Balance Outstanding at April 30, 2020 (in shares)     643,175
Granted (in shares) 375,000   251,521
Exercised (in shares)     0
Forfeited (in shares)     (19,250)
Vested (in shares)   (131,250) (206,109)
Expired (in shares)     0
Unvested Balance Outstanding, January 31, 2020 (in shares)   669,337 669,337
Weighted Average Grant Price      
Unvested Balance Outstanding at April 30, 2020 (in dollars per share)     $ 5.64
Granted (in dollars per share)     9.82
Exercised (in dollars per share)     0
Forfeits (in dollars per share)     8.94
Vested (in dollars per share)     12.46
Expired (in dollars per share)     0
Unvested Balance Outstanding at January 31, 2020 (in dollars per share)   $ 6.95 $ 6.95