XML 98 R85.htm IDEA: XBRL DOCUMENT v3.20.4
Subsequent events (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 16, 2020
USD ($)
Dec. 15, 2020
$ / shares
shares
Sep. 30, 2020
USD ($)
Dec. 17, 2020
Revolving Credit Facility | New Credit Agreement        
Subsequent Event [Line Items]        
Line of credit facility, current borrowing capacity     $ 3.3  
Percentage of qualified accounts receivable used in determination of maximum borrowing capacity of line of credit     80.00%  
Percentage of qualified inventory used in determination of maximum borrowing capacity of line of credit     60.00%  
Debt instrument, covenant, interest coverage ratio, minimum     1.25  
Subsequent Event        
Subsequent Event [Line Items]        
Number of shares sold | shares   209,371    
Price per share (in dollars per share) | $ / shares   $ 3.82    
Subsequent Event | Revolving Credit Facility | New Credit Agreement        
Subsequent Event [Line Items]        
Line of credit facility, current borrowing capacity $ 4.0      
Percentage of qualified accounts receivable used in determination of maximum borrowing capacity of line of credit 80.00%      
Percentage of qualified inventory used in determination of maximum borrowing capacity of line of credit       25.00%
Floor rate 4.00%      
Debt instrument, covenant, interest coverage ratio, minimum 1.25