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TAXES - Additional Information (Details) - USD ($)
12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Investments, Owned, Federal Income Tax Note [Line Items]        
Corporate income tax rate (in percent) 12.50% 7.60% 14.90%  
Decrease in taxes due to tax holiday $ 171,217 $ 458,163 $ 603,091  
Benefit of the tax holidays on net income per share $ 0.006 $ 0.013 $ 0.020  
Gansu QLS        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (in percent) 15.00% 15.00% 15.00%  
Chengdu QLS and subsidiaries        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (in percent) 15.00% 15.00% 15.00%  
Qilian Chengdu        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (in percent) 15.00% 15.00% 15.00%  
Hong Kong        
Investments, Owned, Federal Income Tax Note [Line Items]        
Base profit for calculating tax rate $ 0 $ 0 $ 0  
Hong Kong | Scenario One        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (as a percent)       8.25%
Base profit for calculating tax rate       $ 2,000,000
Hong Kong | Scenario Two        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (as a percent)       16.50%
Base profit for calculating tax rate       $ 2,000,000
China        
Investments, Owned, Federal Income Tax Note [Line Items]        
Corporate income tax rate (in percent) 25.00%      
Preferential tax rate (in percent) 15.00%      
Western Region        
Investments, Owned, Federal Income Tax Note [Line Items]        
Favorable tax rate (in percent) 15.00% 15.00% 15.00%