Consolidated Balance Sheets (USD $)	Jun. 30, 2014	Sep. 30, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 138,349,733	$ 19,114,444
Trade receivable		75,000
Prepaid expenses	700,063	532,354
Other current assets	538,742	91,660
Short term investments	23,834,408	9,030,261
TOTAL CURRENT ASSETS	163,422,946	28,843,719
Property and equipment, net	3,674,131	3,513,235
Patents and other intangible assets, net	3,199,523	3,240,513
Investments	26,284,862	1,702,153
Other assets	41,414	30,011
TOTAL ASSETS	196,622,876	37,329,631
CURRENT LIABILITIES
Accounts payable	2,158,133	1,199,632
Accrued expenses	1,068,667	638,884
Accrued payroll and benefits	611,092	905,771
Deferred revenue	71,875	103,125
Derivative liabilities	4,018,719	4,096,363
Capital lease obligation	213,110	221,345
Notes payable	50,000	971,557
Other current liabilities	58,500	588,343
TOTAL CURRENT LIABILITIES	8,250,096	8,725,020
LONG-TERM LIABILITIES
Notes payable, net of current portion		50,000
Capital lease obligation, net of current portion	812,169	1,061,113
Other non-current liabilities	1,752,822	1,758,709
TOTAL LONG-TERM LIABILITIES	2,564,991	2,869,822
Commitments and contingencies
Arrowhead Research Corporation stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 21,291 and 9,900 shares issued and outstanding as of June 30, 2014 and September 30, 2013, respectively	21	10
Common stock, $0.001 par value; 145,000,000 shares authorized; 52,908,567 and 32,489,444 shares issued and outstanding as of June 30, 2014 and September 30, 2013, respectively	145,278	124,859
Additional paid-in capital	388,558,305	193,514,766
Accumulated deficit	(202,340,717)	(166,140,969)
Total Arrowhead Research Corporation stockholders' equity	186,362,887	27,498,666
Non-controlling interest	(555,098)	(1,763,877)
TOTAL STOCKHOLDERS’ EQUITY	185,807,789	25,734,789
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 196,622,876	$ 37,329,631