Consolidated Balance Sheets (USD $)	Sep. 30, 2014	Sep. 30, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 132,510,610	$ 19,114,444
Trade receivable		75,000
Prepaid expenses	588,626	532,354
Other current assets	48,502	91,660
Short term investments	21,653,032	9,030,261
TOTAL CURRENT ASSETS	154,800,770	28,843,719
Property and equipment, net	3,872,753	3,513,235
Intangible assets, net	1,013,473	3,240,513
Investments	23,088,346	1,702,153
Other assets	41,414	30,011
TOTAL ASSETS	182,816,756	37,329,631
CURRENT LIABILITIES
Accounts payable	2,579,478	1,199,632
Accrued expenses	1,399,486	638,884
Accrued payroll and benefits	3,268,506	905,771
Deferred revenue	103,125	103,125
Derivative liabilities	4,173,943	4,096,363
Capital lease obligation	213,991	221,345
Notes payable	50,000	971,557
Other current liabilities	58,495	588,343
TOTAL CURRENT LIABILITIES	11,847,024	8,725,020
LONG-TERM LIABILITIES
Notes payable, net of current portion		50,000
Capital lease obligation, net of current portion	758,340	1,061,113
Contingent consideration obligations	3,970,931	1,595,273
Other non-current liabilities	255,206	163,436
TOTAL LONG-TERM LIABILITIES	4,984,477	2,869,822
Commitments and contingencies
Arrowhead Research Corporation stockholders' equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; 18,300 and 9,900 shares issued and outstanding as of September 30, 2014 and September 30, 2013, respectively	18	10
Common stock, $0.001 par value; 145,000,000 shares authorized; 54,656,936 and 32,489,444 shares issued and outstanding as of September 30, 2014 and September 30, 2013, respectively	147,026	124,859
Additional paid-in capital	391,164,558	193,514,766
Accumulated deficit	(224,771,159)	(166,140,969)
Total Arrowhead Research Corporation stockholders' equity	166,540,443	27,498,666
Non-controlling interest	(555,188)	(1,763,877)
TOTAL STOCKHOLDERS’ EQUITY	165,985,255	25,734,789
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 182,816,756	$ 37,329,631