Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional information (Details)

v3.19.2
STOCK-BASED COMPENSATION - Additional information (Details) - USD ($)
1 Months Ended 3 Months Ended 9 Months Ended
Jul. 19, 2018
Feb. 03, 2017
Feb. 03, 2017
May 03, 2016
Jun. 18, 2013
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Oct. 02, 2018
Sep. 30, 2018
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               93.15%      
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               1,775,000      
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted               100,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage   0.00%           100.00%      
Proceeds from Stock Options Exercised               $ 32,400 $ 0    
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 Rights, Percentage       100.00%       100.00%      
Non-Employee Restricted Shares [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           $ 39,000 $ 142,000        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period               336,000 425,000    
Research and Development Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           103,000 54,000 $ 284,000 $ 264,000    
General and Administrative Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           84,000 91,000 444,000 364,000    
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 34,000 $ 0 229,000    
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               16,494,212      
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               6,877,500      
Employees, Directors And Consultants [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense               $ 728,000 $ 628,000    
Employees, Directors And Consultants [Member] | Research and Development Expense [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Allocated share-based compensation expense           $ 187,000 $ 145,000        
2013 Stock Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Increase In Aggregate Number Of Shares                   3,000,000  
Share-based compensation arrangement by share-based payment award, award vesting period               90 days      
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, period for recognition               1 year 7 months 17 days      
Common Stock, Shares Authorized                   25,114,256 22,114,256
Share-based compensation arrangement by share-based payment award, number of additional shares authorized         3,000,000            
Stock Issued During Period, Shares, New Issues               477,269 116,883    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross               87,567      
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period               1,437,433 225,000    
Share-based Compensation Arrangement by Share-based Payment Award, Maximum Number of Shares Per Employee               50,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares               50,000      
Proceeds from Stock Options Exercised               $ 32,400      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period               50,000      
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% 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, number of shares available for grant           4,218,356   4,218,356      
Employee service share-based compensation, nonvested awards, compensation cost not yet recognized, total           $ 466,000   $ 466,000      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage 100.00% 100.00%                  
Plan 2013 [Member] | Restricted Stock [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period               1,750,000      
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           200,000   925,000      
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             50,000 850,000      
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 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