CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Jun. 30, 2020	Sep. 30, 2019
Current assets:
Cash and cash equivalents	$ 10,924,968	$ 558,988
Accounts receivable, net of allowance of $26,131 at June 30, 2020 and $4,500 at September 30, 2019, respectively	231,192	839,951
Inventories	444,640	142,629
Prepaid expenses and other current assets	554,693	604,740
Total current assets	12,155,493	2,146,308
Property and equipment, net	750,532	226,221
Other assets:
Deferred offering costs		109,698
Deposits	95,027	62,351
Goodwill	285,386	285,386
Intangible assets, net	688,594	734,771
Total Assets	13,975,032	3,564,735
Current liabilities:
Accounts payable and accrued liabilities (including related party of $27,097 at June 30, 2020)	1,640,552	1,616,997
Promissory notes payable-current portion	376,351
Deferred revenue	431,214	628,993
Total current liabilities	2,448,117	2,245,990
Long term accrued liabilities	785,435	621,970
Promissory notes payable-long term portion	470,438
Secured convertible notes payable, related party. net of debt issuance costs	1,492,292	1,442,497
Secured convertible notes payable, recorded at fair value		102,777
Total liabilities	5,196,282	4,413,234
Commitments and contingencies (Note H)
Applied DNA Sciences, Inc. Stockholders' Equity (Deficit):
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of June 30, 2020 and September 30, 2019, respectively
Common stock, par value $0.001 per share; 500,000,000 shares authorized; 4,968,197 and 1,207,993 shares issued and outstanding as of June 30, 2020 and September 30, 2019, respectively	4,969	1,208
Additional paid in capital	274,493,010	255,962,922
Accumulated deficit	(265,712,717)	(256,805,589)
Applied DNA Sciences, Inc. stockholders' equity (deficit):	8,785,262	(841,459)
Noncontrolling interest	(6,512)	(7,040)
Total equity (deficit)	8,778,750	(848,499)
Total liabilities and equity (deficit)	13,975,032	3,564,735
Series A Preferred Stock [Member]
Applied DNA Sciences, Inc. Stockholders' Equity (Deficit):
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of June 30, 2020 and September 30, 2019, respectively
Series B Preferred Stock [Member]
Applied DNA Sciences, Inc. Stockholders' Equity (Deficit):
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of June 30, 2020 and September 30, 2019, respectively