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