Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)

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Accounts Receivable and Concentration of Credit Risk (Narrative) (Details)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2024
USD ($)
customer
Mar. 31, 2023
customer
Mar. 31, 2024
USD ($)
customer
Mar. 31, 2023
customer
Sep. 30, 2023
customer
Pill Club [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Change in allowance for doubtful accounts | $     $ 3.9    
Minimum [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit terms     30 days    
Maximum [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit terms     120 days    
Current Accounts Receivable [Member] | Customer Concentration Risk [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of customers     0   0
Accounts Receivable [Member] | Customer Concentration Risk [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of customers     5   3
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Five Customers [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage     71.00%    
Accounts Receivable [Member] | Customer Concentration Risk [Member] | Three Customers [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage         71.00%
Net Revenues [Member] | Customer Concentration Risk [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Number of customers 5 2 2 3  
Net Revenues [Member] | Customer Concentration Risk [Member] | Five Customers [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage 72.00%        
Net Revenues [Member] | Customer Concentration Risk [Member] | Three Customers [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage       69.00%  
Net Revenues [Member] | Customer Concentration Risk [Member] | Two Customers [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage   75.00% 39.00%    
Net Revenues [Member] | Customer Concentration Risk [Member] | Pill Club [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Concentration risk, percentage   59.00%   43.00%  
Brazil [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Credit terms     90 days    
Current trade receivables | $ $ 0.6   $ 0.6