Quarterly report pursuant to Section 13 or 15(d)

Debt - Narrative (Details)

v3.20.4
Debt - Narrative (Details)
 1 Months Ended 3 Months Ended
Sep. 14, 2020
USD ($)
day
$ / shares
shares
Jun. 05, 2020
$ / shares
shares
Jan. 22, 2020
USD ($)
lender
note
day
$ / shares
Mar. 06, 2019
USD ($)
agreement
$ / shares
shares
Nov. 05, 2018
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
agreement
Oct. 31, 2020
USD ($)
Jul. 31, 2020
shares
Jun. 08, 2020
shares
Apr. 30, 2020
USD ($)
Debt Instrument [Line Items]                    
Proceeds from issuance or sale of equity     $ 10,000,000              
Net proceeds from convertible debt     16,000,000              
Number of loan agreements | agreement       2   2        
Common stock issued for warrants exercised for cash (in shares) | shares               192,049    
Cooperman Warrants                    
Debt Instrument [Line Items]                    
Number of securities called by warrants or rights (in shares) | shares                 192,049  
Warrant | Cooperman Warrants                    
Debt Instrument [Line Items]                    
Common stock issued for warrants exercised for cash (in shares) | shares   100,000                
Loans Payable                    
Debt Instrument [Line Items]                    
Write off of unamortized original issue discount and debt issuance costs     182,000              
Loan Agreements                    
Debt Instrument [Line Items]                    
Debt instrument, term       5 years   18 months        
Stock issued during period, conversion of convertible securities (in shares) | shares       100,000            
Warrants granted, exercise price (in dollars per share) | $ / shares       $ 6.00            
Loan Agreements | Cooperman Warrants                    
Debt Instrument [Line Items]                    
Warrants granted, exercise price (in dollars per share) | $ / shares   $ 5.70   $ 6.00            
Loan Agreements | Warrant                    
Debt Instrument [Line Items]                    
Number of warrant agreements | agreement       2            
Warrants issued as part of senior secured term loans       $ 360,516            
Closing costs treated as debt discounts       33,693            
Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Line of credit, maximum borrowing capacity       5,000,000 $ 5,000,000          
Debt instrument, term         3 years          
Leon and Toby Cooperman Family Foundation | Loan Agreements                    
Debt Instrument [Line Items]                    
Proceeds from issuance or sale of equity       $ 10,000,000   $ 10,000,000        
Debt instrument, interest rate, stated percentage       12.00%            
Debt instrument, extension period       12 months            
One-time extension fee (as a percent)           1.00%        
Proceeds from issuance of secured debt       $ 5,000,000            
One-time extension fee (as a percent)       1.00%            
Convertible Notes | Convertible Notes Payable                    
Debt Instrument [Line Items]                    
Face value of loan $ 10,000,000   $ 5,000,000              
Number of lenders | lender     2              
Number of notes | note     2              
Conversion period after issuance date     6 months              
Conversion price (in dollars per share) | $ / shares $ 7.15   $ 7.15              
Average closing price of common stock (in dollars per share) | $ / shares $ 10.725   $ 10.725              
Consecutive trading day period | day 20   20              
Debt instrument, term     3 years              
Debt instrument, interest rate, stated percentage     7.00%              
Debt instrument, extension period     1 year              
Extension fee per note     $ 50,000              
Total extension fee     100,000              
Payments to cover taxes     40,400              
Amortization expense             $ 1,400,000      
Convertible Notes | Convertible Notes Payable | Common Stock                    
Debt Instrument [Line Items]                    
Debt conversion, converted instrument, shares issued (in shares) | shares 1,398,602                  
Convertible Notes | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Line of credit, maximum borrowing capacity         $ 5,000,000          
Beneficial conversion feature     $ 1,692,309              
Credit Facility Agreement | Revolving Credit Facility                    
Debt Instrument [Line Items]                    
Line of credit, maximum borrowing capacity         $ 5,000,000          
Interest rate of debt (as a percent)         12.00%          
One-time upfront facility fee         $ 100,000          
One-time extension fee (as a percent)         2.00%          
Number of securities called by warrants or rights (in shares) | shares         92,049          
Warrant term         5 years          
Exercise price of warrants (in dollars per share) | $ / shares         $ 5.85          
Fair value of warrants outstanding         $ 255,071          
Unamortized costs             $ 34,722     $ 182,418
Credit Facility Agreement | Revolving Credit Facility | Cooperman Warrants                    
Debt Instrument [Line Items]                    
Exercise price of warrants (in dollars per share) | $ / shares   $ 5.56     $ 5.85