CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenues
Total revenues	$ 2,917,341	$ 4,296,371	$ 12,587,707	$ 14,609,360
Total cost of revenues	1,648,023	3,257,113	7,133,271	9,972,479
Gross profit	1,269,318	1,039,258	5,454,436	4,636,881
Operating expenses:
Selling, general and administrative	3,292,304	3,032,877	9,440,734	11,341,176
Research and development	836,123	863,025	2,796,171	3,013,162
Total operating expenses	4,128,427	3,895,902	12,236,905	14,354,338
LOSS FROM OPERATIONS	(2,859,109)	(2,856,644)	(6,782,469)	(9,717,457)
Interest income	26,783		34,108	5,813
Transaction costs allocated to warrant liabilities				(391,335)
Unrealized (loss) gain on change in fair value of warrants classified as a liability	(278,400)	1,758,200	334,700	2,540,700
Other (expense) income, net	(3,469)	(26,352)	6,396	(43,226)
Loss before provision for income taxes	(3,114,195)	(1,124,796)	(6,407,265)	(7,605,505)
Provision for income taxes	0	0	0	0
NET LOSS	(3,114,195)	(1,124,796)	(6,407,265)	(7,605,505)
Less: Net loss attributable to noncontrolling interest	14,429	576	52,470	833
NET LOSS attributable to Applied DNA Sciences, Inc.	(3,099,766)	(1,124,220)	(6,354,795)	(7,604,672)
Deemed dividend related to warrant modification				110,105
NET LOSS attributable to common stockholders	$ (3,099,766)	$ (1,124,220)	$ (6,354,795)	$ (7,714,777)
Net loss per share attributable to common stockholders - basic	$ (0.24)	$ (0.13)	$ (0.49)	$ (0.94)
Net loss per share attributable to common stockholders - diluted	$ (0.24)	$ (0.13)	$ (0.49)	$ (0.94)
Weighted average shares outstanding - basic	12,908,520	8,982,520	12,908,520	8,184,807
Weighted average shares outstanding - diluted	12,908,520	8,982,520	12,908,520	8,184,807
Product revenues
Revenues
Total revenues	$ 316,950	$ 219,765	$ 1,130,800	$ 1,454,427
Total cost of revenues	368,902	307,049	1,103,843	1,211,959
Service revenues
Revenues
Total revenues	425,694	182,796	826,813	570,759
Clinical laboratory service revenues
Revenues
Total revenues	2,174,697	3,893,810	10,630,094	12,584,174
Total cost of revenues	$ 1,279,121	$ 2,950,064	$ 6,029,428	$ 8,760,520