Summary of Significant Accounting Policies -Schedule of revenues and accounts receivable from major customers (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2021
Concentration Risk [Line Items]
Accounts Receivable	$ 712	$ 324
Tropicana
Concentration Risk [Line Items]
Accounts Receivable	0	0
Revenue	$ 32,403	$ 73,791	$ 84,136
Tropicana | Total Revenue | Customer Concentration Risk
Concentration Risk [Line Items]
% of Total Revenue	81.30%	79.70%	77.50%