SEGMENT INFORMATION - Information regarding operations by segment (Details)	3 Months Ended		6 Months Ended
	Mar. 31, 2024 USD ($)	Mar. 31, 2023 USD ($)	Mar. 31, 2024 USD ($) segment	Mar. 31, 2023 USD ($)
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Number of reportable segments | segment			3
Total revenues	$ 929,631	$ 4,407,614	$ 1,820,795	$ 9,670,366
Gross profit	295,651	1,807,435	526,748	4,185,118
(Loss) income from segment operations	(3,617,751)	(2,704,024)	(7,406,818)	(3,923,002)
Product revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	393,125	297,454	700,442	813,850
Service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	205,486	169,058	452,633	401,119
Clinical laboratory service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	331,020	3,941,102	667,720	8,455,397
Therapeutic DNA Production
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	323,352	339,532	400,887	588,781
Gross profit	190,588	215,477	268,123	386,401
MDx Testing Services
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	331,020	3,941,102	667,720	8,455,397
Gross profit	18,515	1,650,113	(44,443)	3,583,332
DNA Tagging and Security Products
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	275,259	126,980	752,188	626,188
Gross profit	86,548	(58,155)	303,068	215,385
Operating segment
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues		(30,480)		(82,000)
(Loss) income from segment operations	(1,964,092)	(1,476,571)	(4,503,953)	(1,693,655)
Operating segment | Product revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	393,125	297,454	700,442	813,850
Operating segment | Service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	205,486	169,058	452,633	401,119
Operating segment | Clinical laboratory service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues		3,971,582		8,537,397
Operating segment | Therapeutic DNA Production
SEGMENT AND GEOGRAPHIC AREA INFORMATION
(Loss) income from segment operations	(1,165,449)	(1,054,123)	(2,424,495)	(1,906,376)
Operating segment | Therapeutic DNA Production | Product revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	258,152	203,951	258,152	331,457
Operating segment | Therapeutic DNA Production | Service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	65,200	135,581	142,735	257,324
Operating segment | MDx Testing Services
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues		(30,480)		(82,000)
(Loss) income from segment operations	(298,591)	492,288	(795,103)	1,602,172
Operating segment | MDx Testing Services | Clinical laboratory service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	335,580	3,971,582	678,320	8,537,397
Operating segment | DNA Tagging and Security Products
SEGMENT AND GEOGRAPHIC AREA INFORMATION
(Loss) income from segment operations	(500,052)	(914,736)	(1,284,355)	(1,389,451)
Operating segment | DNA Tagging and Security Products | Product revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	134,973	93,503	442,290	482,393
Operating segment | DNA Tagging and Security Products | Service revenues
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	140,286	$ 33,477	309,898	$ 143,795
Less intersegment revenues | MDx Testing Services
SEGMENT AND GEOGRAPHIC AREA INFORMATION
Total revenues	$ (4,560)		$ (10,600)