Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Details)

v3.20.1
STOCK-BASED COMPENSATION - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Sep. 05, 2018
Jul. 19, 2018
Feb. 03, 2017
Jun. 18, 2013
Mar. 31, 2020
Mar. 31, 2019
Mar. 31, 2020
Mar. 31, 2019
Oct. 01, 2019
Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate, minimum             79.69%      
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected volatility rate, maximum             119.44%      
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate, minimum             1.47%      
Share-based compensation arrangement by share-based payment award, fair value assumptions, risk free interest rate, maximum             3.23%      
Share based compensation arrangement by share based payment award fair value assumptions expected forfeiture rate             0.00%      
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 9 months      
Common Stock, Shares Authorized         300,000,000   300,000,000     300,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             3,120,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares             14,952,384      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage             100.00%      
Proceeds from Stock Options Exercised             $ 0 $ 32,400    
Non-Employee Restricted Shares [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Allocated share-based compensation expense         $ 39,000 $ 92,000 79,000 297,000    
Research and Development Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Allocated share-based compensation expense         112,000 113,000 229,000 180,000    
General and Administrative Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Allocated share-based compensation expense         146,000 88,000 188,000 360,000    
General and Administrative Expense [Member] | Restricted Stock [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Allocated share-based compensation expense         0 0 $ 0 0    
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             19,064,212      
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             7,577,500      
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 100,000                  
Employees, Directors And Consultants [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Allocated share-based compensation expense         $ 258,000 $ 201,000 $ 417,000 $ 540,000    
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             2 years 1 month 2 days      
Common Stock, Shares Authorized                 28,114,256 25,114,256
Share-based compensation arrangement by share-based payment award, number of additional shares authorized       3,000,000            
Stock Issued During Period, Shares, New Issues               477,269    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             0 87,567    
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period             0 1,437,433    
Proceeds from Stock Options Exercised               $ 32,400    
2013 Stock Incentive Plan | Restricted Stock [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                  
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, Options, Vested, Number of Shares 50,000                  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 100.00% 100.00% 100.00%              
2013 Stock Incentive Plan | Restricted Stock [Member] | Share-based Compensation Award, Tranche Two [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares 50,000                  
Plan 2013 [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share-based compensation arrangement by share-based payment award, number of shares available for grant         4,828,356   4,828,356      
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, total         $ 503,000   $ 503,000      
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             2,570,000      
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             550,000      
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, Other   220,000                
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 1,750,000