Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Details)

v3.21.2
STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jun. 30, 2021
Jan. 27, 2021
Oct. 14, 2020
Jul. 19, 2018
Jun. 18, 2013
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Oct. 01, 2020
Sep. 30, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected dividend rate               0.00%      
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected term               5 years 7 months 6 days      
Common Stock, Shares Authorized 800,000,000         800,000,000   800,000,000     800,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               2,495,000      
Non-Employee Restricted Shares [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           $ 0 $ 39,000 $ 104,000 $ 119,000    
Research and Development Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           35,000 56,000 89,000 243,000    
General and Administrative Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           59,000 89,000 $ 180,000 318,000    
Employees And Directors [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               19,899,212      
Consultants [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               9,492,500      
Employees, Directors And Consultants [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           $ 94,000 $ 145,000 $ 269,000 $ 561,000    
2013 Stock Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Increase In Aggregate Number Of Shares                   3,000,000  
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition               1 year 2 months 23 days      
Common Stock, Shares Authorized                   31,114,256 28,114,256
Share-based compensation arrangement by share-based payment award, number of additional shares authorized         3,000,000            
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               0 0    
2013 Stock Incentive Plan | Restricted Stock [Member] | Share-based Compensation Award, Tranche One [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage       100.00%              
Plan 2013 [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, award vesting period     90 days                
Share-based compensation arrangement by share-based payment award, number of shares available for grant 4,918,356         4,918,356   4,918,356      
Plan 2013 [Member] | Employees And Directors [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               720,000      
Plan 2013 [Member] | Consultants [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               1,775,000      
Plan 2013 [Member] | Consultants [Member] | Restricted Stock [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted   500,000 50,000                
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Other       220,000              
Plan 2013 [Member] | Employees, Directors And Consultants [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense $ 218,000                    
Plan 2013 [Member] | Board of Directors And Management [Member] | Restricted Stock [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted       745,000