Quarterly report pursuant to Section 13 or 15(d)

SUBSEQUENT EVENTS (Details)

v3.21.2
SUBSEQUENT EVENTS (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Oct. 27, 2021
USD ($)
Oct. 15, 2021
USD ($)
$ / shares
shares
Oct. 12, 2021
$ / shares
shares
Oct. 31, 2021
USD ($)
Sep. 30, 2021
USD ($)
$ / shares
Sep. 30, 2020
USD ($)
Jun. 30, 2021
$ / shares
Subsequent Event [Line Items]              
Proceeds from issuance of common stock         $ 2,690 $ 0  
Warrant price (per share) | $ / shares         $ 27.66   $ 28.91
Subsequent Event [Member]              
Subsequent Event [Line Items]              
Net proceeds from the offering       $ 51,700      
Subsequent Event [Member] | Underwritten Offering              
Subsequent Event [Line Items]              
Issuance of common stock for cash (in shares) | shares   6,030,847          
Price per share | $ / shares   $ 6.50          
Proceeds from issuance of common stock   $ 39,200          
Pre-funded warrants to purchase shares of common stock | shares   1,661,461          
Gross proceeds from issuance   $ 50,000          
Underwriting discounts and commissions (as a percent)   6.0          
Other offering costs   $ 300          
Offering costs   3,300          
Net proceeds from the offering   $ 46,700   46,700      
Underwriters option period   30 days          
Option to purchase maximum number of shares | shares   1,153,845          
Warrants offering price | $ / shares   $ 6.50          
Subsequent Event [Member] | Pre-Funded Warrants [Member]              
Subsequent Event [Line Items]              
Sale of units | shares   1,661,461          
Issue price of warrant | $ / shares   $ 6.49          
Gross proceeds from issuance of pre-funded warrants   $ 10,800          
Warrant price (per share) | $ / shares   $ 0.01          
Subsequent Event [Member] | Registered Direct Offering [Member]              
Subsequent Event [Line Items]              
Issuance of common stock for cash (in shares) | shares     769,231        
Price per share | $ / shares     $ 6.50        
Proceeds from issuance of common stock $ 5,000            
Net proceeds from the offering       $ 5,000