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Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.21.2
Subsequent Events (Details)
3 Months Ended
Aug. 31, 2021
USD ($)
$ / shares
shares
Aug. 16, 2021
USD ($)
tranche
$ / shares
shares
Aug. 12, 2021
tranche
shares
Jul. 31, 2021
USD ($)
shares
Jul. 31, 2020
USD ($)
Feb. 04, 2020
$ / shares
Nov. 05, 2018
USD ($)
$ / shares
shares
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Share price (in dollars per share) | $ / shares Ìý Ìý Ìý Ìý Ìý $ 9.49 Ìý
Revolving Credit Facility | Credit Facility Agreement Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Line of credit, maximum borrowing capacity | $ Ìý Ìý Ìý Ìý Ìý Ìý $ 5,000,000
Interest rate of debt (as a percent) Ìý Ìý Ìý Ìý Ìý Ìý 12.00%
Number of securities called by warrants or rights (in shares) Ìý Ìý Ìý Ìý Ìý Ìý 92,049
Exercise price of warrants (in dollars per share) | $ / shares Ìý Ìý Ìý Ìý Ìý Ìý $ 5.85
Restricted Stock Units (RSUs) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý Ìý Ìý 127,542 Ìý Ìý Ìý
Amortization expense | $ Ìý Ìý Ìý $ 112,155 $ 111,211 Ìý Ìý
Subsequent Event Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Share price (in dollars per share) | $ / shares Ìý $ 5.80 Ìý Ìý Ìý Ìý Ìý
Subsequent Event | Revolving Credit Facility | Credit Facility Agreement Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Debt instrument, extension term 1 year Ìý Ìý Ìý Ìý Ìý Ìý
Line of credit, maximum borrowing capacity | $ $ 5,000,000 Ìý Ìý Ìý Ìý Ìý Ìý
Interest rate of debt (as a percent) 12.00% Ìý Ìý Ìý Ìý Ìý Ìý
Proceeds from lines of credit | $ $ 5,000,000 Ìý Ìý Ìý Ìý Ìý Ìý
Number of securities called by warrants or rights (in shares) 50,000 Ìý Ìý Ìý Ìý Ìý Ìý
Vesting period of warrant 5 years Ìý Ìý Ìý Ìý Ìý Ìý
Exercise price of warrants (in dollars per share) | $ / shares $ 5.89 Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event | Chief Operating Officer | Common Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Shares received upon vesting of award Ìý Ìý 1 Ìý Ìý Ìý Ìý
Subsequent Event | Chief Operating Officer | Restricted Stock Units (RSUs) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý Ìý 80,000 Ìý Ìý Ìý Ìý
Number of equal annual increments | tranche Ìý Ìý 3 Ìý Ìý Ìý Ìý
Subsequent Event | Chief Academic Officer | Common Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Shares received upon vesting of award Ìý Ìý 1 Ìý Ìý Ìý Ìý
Subsequent Event | Chief Academic Officer | Restricted Stock Units (RSUs) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý Ìý 80,000 Ìý Ìý Ìý Ìý
Number of equal annual increments | tranche Ìý Ìý 3 Ìý Ìý Ìý Ìý
Subsequent Event | Chief Financial Officer Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Employment period Ìý 4 years Ìý Ìý Ìý Ìý Ìý
Automatic renewal term Ìý 1 year Ìý Ìý Ìý Ìý Ìý
Annual base salary | $ Ìý $ 325,000 Ìý Ìý Ìý Ìý Ìý
Subsequent Event | Chief Financial Officer | Common Stock Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Shares received upon vesting of award Ìý 1 Ìý Ìý Ìý Ìý Ìý
Subsequent Event | Chief Financial Officer | Restricted Stock Units (RSUs) Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Subsequent Event [Line Items] Ìý Ìý Ìý Ìý Ìý Ìý Ìý
Granted (in shares) Ìý 125,000 Ìý Ìý Ìý Ìý Ìý
Number of equal annual increments | tranche Ìý 3 Ìý Ìý Ìý Ìý Ìý
Vesting period of award (in years) Ìý 3 years Ìý Ìý Ìý Ìý Ìý
Amortization expense | $ Ìý $ 725,000 Ìý Ìý Ìý Ìý Ìý