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Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

v3.21.2
Debt - Narrative (Details) - USD ($)
Aug. 31, 2021
Nov. 05, 2018
Jul. 31, 2021
Apr. 30, 2021
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý
Debt issue cost, net Ìý Ìý $ 9,722 $ 18,056
Credit Facility Agreement | Revolving Credit Facility Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý
Line of credit, maximum borrowing capacity Ìý $ 5,000,000 Ìý Ìý
Interest rate of debt (as a percent) Ìý 12.00% Ìý Ìý
Line of credit, outstanding balance Ìý Ìý $ 0 $ 0
One-time upfront facility fee Ìý $ 100,000 Ìý Ìý
One-time extension fee (as a percent) Ìý 2.00% Ìý Ìý
Number of securities called by warrants or rights (in shares) Ìý 92,049 Ìý Ìý
Warrant term Ìý 5 years Ìý Ìý
Exercise price of warrants (in dollars per share) Ìý $ 5.85 Ìý Ìý
Fair value of warrants outstanding Ìý $ 255,071 Ìý Ìý
Credit Facility Agreement | Revolving Credit Facility | Subsequent Event Ìý Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý Ìý
Line of credit, maximum borrowing capacity $ 5,000,000 Ìý Ìý Ìý
Interest rate of debt (as a percent) 12.00% Ìý Ìý Ìý
Debt instrument, extension term 1 year Ìý Ìý Ìý
Proceeds from lines of credit $ 5,000,000 Ìý Ìý Ìý
Number of securities called by warrants or rights (in shares) 50,000 Ìý Ìý Ìý
Exercise price of warrants (in dollars per share) $ 5.89 Ìý Ìý Ìý