Consolidated Balance Sheets - USD ($)	Dec. 31, 2017	Sep. 30, 2017
CURRENT ASSETS
Cash and cash equivalents	$ 11,531,345	$ 24,838,567
Accounts receivable	149,931	67,797
Prepaid expenses	651,239	867,363
Other current assets	1,604,986	1,359,638
Short term investments	39,169,376	40,769,539
TOTAL CURRENT ASSETS	53,106,877	67,902,904
Property and equipment, net	14,932,366	15,513,019
Intangible assets, net	20,039,332	20,464,439
Other assets	141,918	141,918
TOTAL ASSETS	88,220,493	104,022,280
CURRENT LIABILITIES
Accounts payable	5,707,047	4,076,514
Accrued expenses	3,478,512	4,564,507
Accrued payroll and benefits	1,936,024	3,399,679
Deferred rent	440,580	440,580
Deferred revenue	1,875,001	5,269,741
Derivative liabilities	20,445	695,114
Note Payable	212,233	208,506
Other current liabilities	46,407	46,407
TOTAL CURRENT LIABILITIES	13,716,249	18,701,048
LONG-TERM LIABILITIES
Deferred rent, net of current portion	1,834,392	1,929,052
Note Payable, net of current portion	2,270,542	2,325,018
Other non-current liabilities	200,000	200,000
TOTAL LONG-TERM LIABILITIES	4,304,934	4,454,070
Commitments and contingencies (Note 7)
Arrowhead Pharmaceuticals, Inc. stockholders' equity:
Common stock, $0.001 par value; 145,000,000 shares authorized; 74,917,876 and 74,785,426 shares issued and outstanding as of December 31, 2017 and September 30, 2017, respectively	167,287	167,155
Additional paid-in capital	516,577,723	514,037,301
Accumulated other comprehensive income (loss)	23,704	33,232
Accumulated deficit	(446,014,216)	(432,815,338)
Total Arrowhead Pharmaceuticals, Inc. stockholders' equity	70,754,498	81,422,350
Noncontrolling interest	(555,188)	(555,188)
TOTAL STOCKHOLDERS’ EQUITY	70,199,310	80,867,162
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 88,220,493	$ 104,022,280

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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Balance Type:	credit
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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.