Consolidated Balance Sheets - USD ($)	Jun. 30, 2015	Sep. 30, 2014
CURRENT ASSETS
Cash and cash equivalents	$ 87,252,813	$ 132,510,610
Prepaid expenses	3,499,324	588,626
Other current assets	654,924	48,502
Short term investments	23,280,640	21,653,032
TOTAL CURRENT ASSETS	114,687,701	154,800,770
Property and equipment, net	4,108,667	3,872,753
Intangible assets, net	25,262,886	1,013,473
Investments	1,085,282	23,088,346
Other assets	45,789	41,414
TOTAL ASSETS	145,190,325	182,816,756
CURRENT LIABILITIES
Accounts payable	4,862,263	2,579,478
Accrued expenses	1,726,449	1,399,486
Accrued payroll and benefits	884,373	3,268,506
Deferred revenue	71,875	103,125
Derivative liabilities	1,724,468	4,173,943
Capital lease obligation	216,653	213,991
Notes payable		50,000
Other current liabilities	46,407	58,495
TOTAL CURRENT LIABILITIES	9,532,488	11,847,024
LONG-TERM LIABILITIES
Capital lease obligation, net of current portion	595,516	758,340
Contingent consideration obligations	3,970,931	3,970,931
Other non-current liabilities	346,996	255,206
TOTAL LONG-TERM LIABILITIES	$ 4,913,443	$ 4,984,477
Commitments and contingencies
Arrowhead Research Corporation stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 15,652 and 18,300 shares issued and outstanding as of June 30, 2015 and September 30, 2014, respectively	$ 16	$ 18
Common stock, $0.001 par value; 145,000,000 shares authorized; 59,498,362 and 54,656,936 shares issued and outstanding as of June 30, 2015 and September 30, 2014, respectively	151,868	147,026
Additional paid-in capital	423,182,550	391,164,558
Accumulated other comprehensive income (loss)	(65,947)
Accumulated deficit	(291,968,905)	(224,771,159)
Total Arrowhead Research Corporation stockholders' equity	131,299,582	166,540,443
Noncontrolling interest	(555,188)	(555,188)
TOTAL STOCKHOLDERS’ EQUITY	130,744,394	165,985,255
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 145,190,325	$ 182,816,756