SEGMENT INFORMATION - Information regarding operations by segment (Details)	3 Months Ended		6 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)
SEGMENT INFORMATION
Number of reportable segments | segment			3
Total revenues	$ 4,407,614	$ 6,147,283	$ 9,670,366	$ 10,312,989
Gross profit	1,807,435	2,488,485	4,185,118	3,597,623
(Loss) income from segment operations	(2,704,024)	(2,154,236)	(3,923,002)	(6,860,813)
Product revenues
SEGMENT INFORMATION
Total revenues	297,454	408,351	813,850	1,234,662
Service revenues
SEGMENT INFORMATION
Total revenues	169,058	248,690	401,119	387,963
Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	3,941,102	5,490,242	8,455,397	8,690,364
Therapeutic DNA Production
SEGMENT INFORMATION
Total revenues	339,532	158,243	588,781	247,681
Gross profit	215,477	158,243	386,401	247,681
Therapeutic DNA Production | Product revenues
SEGMENT INFORMATION
Total revenues	255,626		383,132
Therapeutic DNA Production | Service revenues
SEGMENT INFORMATION
Total revenues	83,906	158,243	205,649	247,681
MDx Testing Services
SEGMENT INFORMATION
Total revenues	3,941,102	5,670,265	8,455,397	9,213,208
Gross profit	1,650,113	2,335,169	3,583,332	3,155,859
MDx Testing Services | Product revenues
SEGMENT INFORMATION
Total revenues		180,023		522,844
DNA Tagging and Security Products
SEGMENT INFORMATION
Total revenues	126,980	318,775	626,188	852,100
Gross profit	(58,155)	(4,927)	215,385	194,083
DNA Tagging and Security Products | Product revenues
SEGMENT INFORMATION
Total revenues	41,828	228,328	430,718	711,818
DNA Tagging and Security Products | Service revenues
SEGMENT INFORMATION
Total revenues	85,152	90,447	195,470	140,282
Operating segment
SEGMENT INFORMATION
(Loss) income from segment operations	(1,476,571)	(1,257,451)	(1,693,655)	(3,413,616)
Operating segment | Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	3,971,582	5,623,922	8,537,397	8,973,580
Operating segment | Therapeutic DNA Production
SEGMENT INFORMATION
(Loss) income from segment operations	(1,054,123)	(1,049,207)	(1,906,376)	(1,973,984)
Operating segment | MDx Testing Services
SEGMENT INFORMATION
(Loss) income from segment operations	492,288	1,084,388	1,602,172	749,400
Operating segment | MDx Testing Services | Clinical laboratory service revenues
SEGMENT INFORMATION
Total revenues	3,971,582	5,623,922	8,537,397	8,973,580
Operating segment | DNA Tagging and Security Products
SEGMENT INFORMATION
(Loss) income from segment operations	(914,736)	(1,292,632)	(1,389,451)	(2,189,032)
Less intersegment revenues
SEGMENT INFORMATION
Total revenues	(30,480)	(133,680)	(82,000)	(283,216)
Less intersegment revenues | MDx Testing Services
SEGMENT INFORMATION
Total revenues	$ (30,480)	$ (133,680)	$ (82,000)	$ (283,216)