C. STOCKHOLDERS EQUITY (Details 4) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Mar. 31, 2019 |
Mar. 31, 2018 |
Mar. 31, 2019 |
Mar. 31, 2018 |
Sep. 30, 2018 |
|
| Equity [Abstract] | |||||
| Series S warrants | $ 0 | $ 0 | $ 33 | ||
| Series V warrants | 275,584 | 275,584 | 770,436 | ||
| Series W warrants | 383,053 | 383,053 | 999,081 | ||
| Series Z warrants | 372,936 | 372,936 | 487,767 | ||
| Series ZZ warrants | 21,577 | 21,577 | 34,215 | ||
| Series AA warrants | 287,206 | 287,206 | 380,474 | ||
| Series BB warrants | 20,720 | 20,720 | 28,456 | ||
| Series CC warrants | 1,440,026 | 1,440,026 | 1,779,724 | ||
| Series DD warrants | 0 | 0 | 1,249,287 | ||
| Series EE warrants | 0 | 0 | 1,249,287 | ||
| Series FF warrants | 154,318 | 154,318 | 188,921 | ||
| Series GG warrants | 500,478 | 500,478 | 607,228 | ||
| Series HH warrants | 48,174 | 48,174 | 58,816 | ||
| Series II warrants | 544,792 | 544,792 | 660,135 | ||
| Series JJ warrants | 72,716 | 72,716 | 88,642 | ||
| Series KK warrants | 543,463 | 543,463 | 656,930 | ||
| Series LL warrants | 62,886 | 62,886 | 77,632 | ||
| Total warrant liabilities | 4,727,929 | 4,727,929 | $ 9,317,064 | ||
| Series S warrants | 0 | $ (1,141) | 33 | $ 11,927 | |
| Series V warrants | (61,480) | 94,766 | 494,852 | (3,547) | |
| Series W warrants | (10,822) | 105,336 | 616,028 | (24,131) | |
| Series Z warrants | (89,290) | 63,630 | 114,831 | 8,095 | |
| Series ZZ warrants | (1,685) | 3,532 | 12,638 | 189 | |
| Series AA warrants | (63,951) | 56,036 | 93,268 | 8,676 | |
| Series BB warrants | (4,374) | 2,924 | 7,736 | 293 | |
| Series CC warrants | (325,908) | 238,740 | 339,698 | 41,919 | |
| Series DD warrants | 0 | (27) | 1,249,287 | 5,456 | |
| Series EE warrants | 0 | (27) | 1,249,287 | 5,456 | |
| Series FF warrants | (34,459) | 25,348 | 34,603 | 7,301 | |
| Series GG warrants | (106,032) | 152,551 | 106,750 | 37,419 | |
| Series HH warrants | (10,309) | 8,345 | 10,642 | 2,683 | |
| Series II warrants | (115,246) | 229,414 | 115,343 | 50,608 | |
| Series JJ warrants | (15,536) | 12,552 | 15,926 | 4,010 | |
| Series KK warrants | (114,628) | 151,951 | 113,467 | 36,924 | |
| Series LL warrants | (13,451) | 10,885 | 14,746 | 3,307 | |
| Net (loss)/gain on warrant liabilities | $ (967,171) | $ 1,154,815 | $ 4,589,135 | $ 196,585 | |