Annual report pursuant to Section 13 and 15(d)

DERIVATIVE LIABILITIES FOR AUTHORIZED SHARE DEFICIENCIES - Deficiency Triggered by Issuance of Class B Pre-Funded Warrants (Details)

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DERIVATIVE LIABILITIES FOR AUTHORIZED SHARE DEFICIENCIES - Deficiency Triggered by Issuance of Class B Pre-Funded Warrants (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Jun. 16, 2022
May 04, 2022
Jun. 30, 2022
Jun. 30, 2021
Jun. 15, 2022
May 31, 2022
May 01, 2022
Jun. 18, 2021
Jun. 17, 2021
May 26, 2021
May 25, 2021
Feb. 17, 2021
Feb. 16, 2021
Jun. 30, 2020
Class of Warrant or Right [Line Items]                            
Warrants outstanding (In shares)     1,150,000 1,252,000                   618,000
Embedded derivative liabilities     $ 407 $ 387                    
Common stock, shares authorized 100,000,000.0   100,000,000 40,000,000 40,000,000.0   40,000,000.0 40,000,000.0 10,000,000.0 40,000,000.0 10,000,000.0 10,000,000.0 500,000,000.0  
Adjustment To Additional Paid In Capital, Reclassification Of Derivative Liability For Authorized Share Deficiency     $ (35,025) $ (1,796)                    
Class B Pre-Funded Warrants                            
Class of Warrant or Right [Line Items]                            
Warrants outstanding (In shares)           10,947,371                
Warrants outstanding           $ 39,100                
Proceeds from warrants issued     $ 39,094                      
Embedded derivative liabilities $ (35,000) $ 41,600                        
Fair value of warrant per share $ (3.20) $ 3.80                        
Underwriters discount expensed   $ 2,500                        
Unrealized gain (loss) on derivatives $ 6,600                          
Adjustment To Additional Paid In Capital, Reclassification Of Derivative Liability For Authorized Share Deficiency $ (35,000)