Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events - Avenue (Details)

v3.23.3
Subsequent Events - Avenue (Details)
$ / shares in Units, $ in Millions
1 Months Ended
Nov. 14, 2023
USD ($)
Oct. 09, 2023
item
Jan. 27, 2023
shares
Dec. 30, 2022
USD ($)
shares
Oct. 11, 2022
item
Nov. 30, 2023
USD ($)
item
$ / shares
shares
Jul. 31, 2023
USD ($)
Feb. 28, 2023
USD ($)
$ / shares
shares
Oct. 31, 2023
USD ($)
Jun. 13, 2023
$ / shares
Subsequent Events                    
Sale of stock, number of shares issued | shares       4,900,000       1,180,000    
Stock offering, price per share | $ / shares               $ 5.25    
Number of shares called by warrants | shares               1    
Purchase price | $ / shares                   $ 8.136
Sale of National Holding's stock, proceeds received | $ $ 8.9     $ 150.0     $ 9.1 $ 6.7    
Series A Warrants                    
Subsequent Events                    
Sale of stock, number of shares issued | shares               1,428,572    
Series B Warrants                    
Subsequent Events                    
Sale of stock, number of shares issued | shares               1,428,572    
Avenue                    
Subsequent Events                    
Sale of stock, number of shares issued | shares     448,000              
Number of common stock (in units)         1          
Number of warrants (in units)         1          
Subsequent Events                    
Subsequent Events                    
Number of common stock (in units)   1       1        
Number of warrants (in units)           1        
Number of shares called by warrants | shares           1        
Purchase price | $ / shares           $ 1.70        
Warrant expiration term           5 years        
Gross proceeds | $           $ 10.0        
Sale of National Holding's stock, proceeds received | $           $ 8.9        
Subsequent Events | Avenue                    
Subsequent Events                    
Number of common stock (in units)           1        
Warrant expiration term           5 years        
Gross proceeds | $           $ 3.9        
Sale of National Holding's stock, proceeds received | $           $ 1.1        
Fees due | $                 $ 0.3  
Subsequent Events | Avenue | Series A Warrants                    
Subsequent Events                    
Number of common stock (in units)           1        
Number of warrants (in units)           1        
Purchase price | $ / shares           $ 0.3006        
Subsequent Events | Avenue | Series B Warrants                    
Subsequent Events                    
Number of common stock (in units)           1        
Number of warrants (in units)           1        
Purchase price | $ / shares           $ 0.3006        
Warrant expiration term           18 months        
Subsequent Events | Public Offering                    
Subsequent Events                    
Unit price | $ / shares           $ 1.70        
Subsequent Events | Public Offering | Avenue                    
Subsequent Events                    
Sale of stock, number of shares issued | shares           16,633,400        
Stock offering, price per share | $ / shares           $ 0.3006