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Quarterly report pursuant to Section 13 or 15(d)

Long-term Debt (Details)

v3.21.2
Long-term Debt (Details) - USD ($)
Aug. 31, 2021
Nov. 05, 2018
Oct. 31, 2021
Jul. 31, 2021
Apr. 30, 2021
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Deferred financing costs Ìý Ìý $ 117,857 Ìý $ 18,056
Warrant Ìý Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Vesting period of warrant 5 years Ìý Ìý Ìý Ìý
Credit Facility Agreement | Revolving Credit Facility Ìý Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Line of credit, maximum borrowing capacity $ 5,000,000 $ 5,000,000 Ìý Ìý Ìý
Interest rate of debt (as a percent) 12.00% 12.00% Ìý Ìý Ìý
Debt instrument, extension term 1 year Ìý Ìý Ìý Ìý
Proceeds from lines of credit $ 5,000,000 Ìý Ìý Ìý Ìý
Deferred financing costs Ìý Ìý 0 $ 9,722 18,056
Line of credit, outstanding balance Ìý Ìý $ 5,000,000 Ìý $ 0
Credit Facility Agreement | Revolving Credit Facility | Warrant Ìý Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý Ìý
Number of securities called by warrants or rights (in shares) 50,000 92,049 Ìý Ìý Ìý
Vesting period of warrant 14 months Ìý Ìý Ìý Ìý
Exercise price of warrants (in dollars per share) $ 5.89 $ 5.85 Ìý Ìý Ìý
Fair value of warrants outstanding $ 137,500 $ 255,071 Ìý Ìý Ìý
Warrant term Ìý 5 years Ìý Ìý Ìý