CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($)	Mar. 31, 2021	Sep. 30, 2020
Current assets:
Cash and cash equivalents	$ 13,925,997	$ 7,786,743
Accounts receivable, net of allowance of $20,830 and $11,968 at March 31, 2021 and September 30, 2020, respectively	2,186,442	194,319
Inventories	720,538	497,367
Prepaid expenses and other current assets	586,207	599,296
Total current assets	17,419,184	9,077,725
Property and equipment, net	2,422,628	1,277,655
Other assets:
Deposits	95,040	95,083
Goodwill	285,386	285,386
Intangible assets, net	559,346	605,330
Total Assets	20,781,584	11,341,179
Current liabilities:
Accounts payable and accrued liabilities	1,780,072	1,926,427
Promissory notes payable-current portion		329,299
Secured convertible notes payable, net of debt issuance costs		1,499,116
Deferred revenue	350,057	511,036
Total current liabilities	2,130,129	4,265,878
Long term accrued liabilities	31,467	848,307
Promissory notes payable-long term portion		517,488
Total liabilities	2,161,596	5,631,673
Commitments and contingencies (Note H)
Applied DNA Sciences, Inc. Stockholders' Equity:
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of March 31, 2021 and September 30, 2020, respectively	0	0
Common stock, par value $0.001 per share; 200,000,000 shares authorized as of March 31, 2021 and September 30, 2020, 7,486,120 and 5,142,779 shares issued and outstanding as of March 31, 2021 and September 30, 2020, respectively	7,488	5,144
Additional paid in capital	294,781,015	275,548,737
Accumulated deficit	(276,162,006)	(269,835,650)
Applied DNA Sciences, Inc. stockholders' equity:	18,626,497	5,718,231
Noncontrolling interest	(6,509)	(8,725)
Total equity	18,619,988	5,709,506
Total liabilities and equity	20,781,584	11,341,179
Series A Preferred Stock [Member]
Applied DNA Sciences, Inc. Stockholders' Equity:
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of March 31, 2021 and September 30, 2020, respectively	0	0
Series B Preferred Stock [Member]
Applied DNA Sciences, Inc. Stockholders' Equity:
Preferred stock, par value $0.001 per share; 10,000,000 shares authorized; -0- shares issued and outstanding as of March 31, 2021 and September 30, 2020, respectively	$ 0	$ 0

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.

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- Definition

Sum of the carrying values as of the balance sheet date of obligations incurred through that date and due after one year (or beyond the operating cycle if longer), including liabilities for compensation costs, fringe benefits other than pension and postretirement obligations, rent, contractual rights and obligations, and statutory obligations.