SEGMENT INFORMATION - Information regarding operations by segment (Details)	3 Months Ended		9 Months Ended
	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) segment	Jun. 30, 2022 USD ($)
SEGMENT INFORMATION
Number of reportable segments | segment			3
Total revenues	$ 2,917,341	$ 4,296,371	$ 12,587,707	$ 14,609,360
Gross profit	1,269,318	1,039,258	5,454,436	4,636,881
(Loss) income from segment operations	(2,859,109)	(2,856,644)	(6,782,469)	(9,717,457)
Product revenues
SEGMENT INFORMATION
Total revenues	316,950	219,765	1,130,800	1,454,427
Service revenues
SEGMENT INFORMATION
Total revenues	425,694	182,796	826,813	570,759
Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	2,174,697	3,893,810	10,630,094	12,584,174
Therapeutic DNA Production
SEGMENT INFORMATION
Total revenues	405,506	109,395	994,287	357,076
Gross profit	290,541	109,395	676,942	357,076
MDx Testing Services
SEGMENT INFORMATION
Total revenues	2,174,697	3,973,322	10,630,094	13,186,530
Gross profit	829,798	1,274,502	4,413,130	4,430,361
MDx Testing Services | Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	2,188,817
DNA Tagging and Security Products
SEGMENT INFORMATION
Total revenues	337,138	213,654	963,326	1,065,754
Gross profit	148,979	(344,639)	364,364	(150,556)
Operating segment
SEGMENT INFORMATION
(Loss) income from segment operations	(1,701,350)	(1,989,061)	(3,395,005)	(5,402,678)
Operating segment | Product revenues
SEGMENT INFORMATION
Total revenues	316,950	219,765	1,130,800	1,454,427
Operating segment | Service revenues
SEGMENT INFORMATION
Total revenues	425,694	182,796	826,813	570,759
Operating segment | Therapeutic DNA Production
SEGMENT INFORMATION
(Loss) income from segment operations	(717,126)	(854,644)	(2,623,502)	(2,828,629)
Operating segment | Therapeutic DNA Production | Product revenues
SEGMENT INFORMATION
Total revenues	230,544		560,000
Operating segment | Therapeutic DNA Production | Service revenues
SEGMENT INFORMATION
Total revenues	174,962	109,395	434,287	357,076
Operating segment | MDx Testing Services
SEGMENT INFORMATION
(Loss) income from segment operations	14,742	425,706	1,616,914	1,175,106
Operating segment | MDx Testing Services | Product revenues
SEGMENT INFORMATION
Total revenues		79,512		602,356
Operating segment | MDx Testing Services | Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	2,188,817	3,986,770	10,726,214	12,960,350
Operating segment | DNA Tagging and Security Products
SEGMENT INFORMATION
(Loss) income from segment operations	(998,966)	(1,560,123)	(2,388,417)	(3,749,155)
Operating segment | DNA Tagging and Security Products | Product revenues
SEGMENT INFORMATION
Total revenues	86,406	140,253	570,800	852,071
Operating segment | DNA Tagging and Security Products | Service revenues
SEGMENT INFORMATION
Total revenues	250,732	73,401	392,526	213,683
Less intersegment revenues | MDx Testing Services
SEGMENT INFORMATION
Total revenues	$ (14,120)	$ (92,960)	$ (96,120)	$ (376,176)