STOCK OPTIONS - Additional Information (Details) - USD ($) | Sep. 03, 2019 | Jul. 26, 2019 | May 31, 2019 | Jun. 11, 2018 | Apr. 30, 2018 | Jan. 24, 2018 | Sep. 01, 2017 | Feb. 06, 2017 | Apr. 26, 2016 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Mar. 31, 2019 |
STOCK OPTIONS | | | | | | | | | | | | | | |
Maximum percentage of common stock and exchangeable shares issued and outstanding that may be reserved for issuance upon exercise of all options or other securities granted | | | | | | | | | | 15.00% | | 15.00% | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | | 24,267 | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | | | | | | | | | | 834,434 | | 834,434 | | |
Allocated Share-based Compensation Expense | | | | | | | | | | $ 26,306 | $ 37,266 | $ 54,860 | $ 76,968 | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term | | | | | | | | | | | | 6 years 9 months 11 days | | 7 years 2 months 12 days |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term | | | | | | | | | | | | 6 years 7 months 13 days | | 5 years 8 months 27 days |
Grant fair value | | | | | | $ 491,036 | | | | | | | | |
Employee Stock Option [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | 638,219 | 439,328 | $ 925,976 | 1,034,740 | |
New Executive Officer [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | 5,000 | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | $ 6.93 | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | | | | 5,000 | | | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | 0 | 2,528 | 1,686 | 3,090 | |
Grant fair value | | | | $ 30,341 | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | | | | 3 years | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | | | | 7 years | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | | | | 114.00% | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | | | | 1.59% | | | | | | | | | | |
Executive Officer [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | 40,000 | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | $ 9.74 | | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | | | | | $ 363,714 |
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period | | | | | 10 years | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | | | | | 10 years | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | | | | | 114.00% | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | | | | | 1.59% | | | | | | | | | |
Employees of Bionik Inc [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | | | | | 1,667 | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | | | | $ 150 | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | $ 0 | 17,813 | 3,431 | 35,625 | |
Grant fair value | | | | | | | | | $ 213,750 | | | | | |
Employees [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | | | | | | | | | | 778 | | | | 7,334 |
Director and Employees [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | $ 3.16 | | | | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | $ 84,601 | | 260,995 | | |
Grant fair value | | | $ 453,585 | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Shares Issued in Period | | | 169,882 | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | | | 7 years | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | | | 114.00% | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | | | 1.59% | | | | | | | | | | | |
Director and Employees [Member] | Minimum [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | | | 6 months | | | | | | | | | | | |
Director and Employees [Member] | Maximum [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | | | 18 months | | | | | | | | | | | |
Employee Two [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | | | | 2,667 | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | | | $ 105 | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | 20,433 | 20,433 | 40,867 | 40,867 | |
Grant fair value | | | | | | | | $ 245,200 | | | | | | |
Executive Employee And Consultant [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | | | | | | 81,436 | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | | $ 24.15 | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | 133,605 | $ 190,865 | 190,865 | 229,037 | |
Grant fair value | | | | | | | $ 1,832,304 | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage | | | | | | | 50.00% | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares | | | | | | | 27,148 | | | | | | | |
Executive Employee And Consultant [Member] | Share-based Payment Arrangement, Tranche Two [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage | | | | | | | 50.00% | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | | | | | | | 5 years | | | | | | | |
Employees and consultants [Member] | Employee Stock Option [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | | 484,612 | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | $ 3.595 | | | | | | | | | | | | |
Allocated Share-based Compensation Expense | | $ 372,923 | | | | | | | | | | | | |
Grant fair value | | $ 1,525,525 | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | | 7 years | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | | 114.00% | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | | 1.59% | | | | | | | | | | | | |
Employee [Member] | Employee Stock Option [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 5,000 | | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ 3.20 | | | | | | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | $ 350 | | $ 350 | | |
Grant fair value | $ 14,010 | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 3 years | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term | 7 years | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate | 114.00% | | | | | | | | | | | | | |
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate | 1.59% | | | | | | | | | | | | | |
Employees vest equally on January 24, 2019 [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | $ 23.25 | | | | | | | | |
Allocated Share-based Compensation Expense | | | | | | | | | | | | | $ 76,968 | |
Employees vest equally on January 24 2020 [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | 23.25 | | | | | | | | |
Employees vest equally on January 24 2021 [Member] | | | | | | | | | | | | | | |
STOCK OPTIONS | | | | | | | | | | | | | | |
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | | | | | | $ 23.25 | | | | | | | | |