XML 28 R5.htm IDEA: XBRL DOCUMENT  v2.3.0.11

Consolidated Statement Of Stockholders' Equity (USD $)	3 Months Ended	9 Months Ended	12 Months Ended								99 Months Ended
	Jun. 30, 2011	Jun. 30, 2011	Sep. 30, 2010	Sep. 30, 2009	Sep. 30, 2008	Sep. 30, 2007	Sep. 30, 2006	Sep. 30, 2005	Sep. 30, 2004	Sep. 30, 2003	Jun. 30, 2011
Stock issued during period, value, new issues		$ 43,279	$ 1,066,051					$ 50,000	$ (150,469)
Reclassification of former Unidym mezzanine debt to equity				2,000,000
Stock issuance cost charged to additional paid-in capital									(991,318)
Net loss attributable to Arrowhead	(1,819,917)	(352,362)	(6,957,038)	(19,308,392)	(27,241,639)	(30,712,947)	(19,961,961)	(6,733,427)	(751,255)	(95,238)	(110,931,269)
Stock issued during period, value, stock options exercised		13,884	7,631		290,027	434,727	341,537		15,000
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value		1,106,470	1,582,149	2,676,170	3,187,397	2,175,544	1,369,478	508,513	175,653
Adjustments to additional paid in capital, reallocation of noncontrolling interest			300,000	16,297	1,720,962			230,087
Issuance of preferred stock in subsidiary		1,618,509	300,000
Amortization of discount on Unidym Series D Preferred Stock
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance	10,569,252	10,569,252	8,078,296	4,857,936	12,302,609	26,456,577	31,605,644	28,026,657	11,227,149	1,419,762	10,569,252
Divestiture of Unidym		254,275									359,375
Issued For Cash @ $0.001 Per Unit [Member]
Stock issued during period, value, new issues										3,000
Issued For Cash @ $0.001 Per Unit [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued For Cash @ $0.001 Per Unit [Member] | Common Stock [Member]
Stock issued during period, value, new issues										3,000
Stock issued during period, shares, new issues										3,000,000
Issued For Cash @ $0.001 Per Unit [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues
Issued For Cash @ $0.001 Per Unit [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued For Cash @ $0.001 Per Unit [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.00 Per Unit [Member]
Stock issued during period, value, new issues									475,000	1,680,000
Issued For Cash @ $1.00 Per Unit [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.00 Per Unit [Member] | Common Stock [Member]
Stock issued during period, value, new issues									475	1,680
Stock issued during period, shares, new issues									475,000	1,680,000
Issued For Cash @ $1.00 Per Unit [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues									474,525	1,678,320
Issued For Cash @ $1.00 Per Unit [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.00 Per Unit [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued For Marketable Securities @ $1.00 Per Unit [Member]
Stock issued during period, value, new issues									500,000
Issued For Marketable Securities @ $1.00 Per Unit [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued For Marketable Securities @ $1.00 Per Unit [Member] | Common Stock [Member]
Stock issued during period, value, new issues									500
Stock issued during period, shares, new issues									500,000
Issued For Marketable Securities @ $1.00 Per Unit [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues									499,500
Issued For Marketable Securities @ $1.00 Per Unit [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued For Marketable Securities @ $1.00 Per Unit [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.50 Per Unit [Member]
Stock issued during period, value, new issues								20,719,335	9,913,182
Issued For Cash @ $1.50 Per Unit [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.50 Per Unit [Member] | Common Stock [Member]
Stock issued during period, value, new issues								13,813	6,609
Stock issued during period, shares, new issues								13,812,888	6,608,788
Issued For Cash @ $1.50 Per Unit [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues								20,705,522	9,906,573
Issued For Cash @ $1.50 Per Unit [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued For Cash @ $1.50 Per Unit [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Stock Issuance Cost Charged To Additional Paid In Capital [Member]
Stock issuance cost charged to additional paid-in capital									(96,500)	(168,000)
Stock Issuance Cost Charged To Additional Paid In Capital [Member] | Subscription Receivable [Member]
Stock issuance cost charged to additional paid-in capital
Stock Issuance Cost Charged To Additional Paid In Capital [Member] | Common Stock [Member]
Stock issuance cost charged to additional paid-in capital
Stock Issuance Cost Charged To Additional Paid In Capital [Member] | Additional Paid-In Capital [Member]
Stock issuance cost charged to additional paid-in capital									(96,500)	(168,000)
Stock Issuance Cost Charged To Additional Paid In Capital [Member] | Retained Earnings [Member]
Stock issuance cost charged to additional paid-in capital
Stock Issuance Cost Charged To Additional Paid In Capital [Member] | Noncontrolling Interest [Member]
Stock issuance cost charged to additional paid-in capital
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest						2,401,394
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member] | Subscription Receivable [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member] | Common Stock [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member] | Additional Paid-In Capital [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest						2,401,394
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member] | Retained Earnings [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Insert Therapeutics Equity [Member] | Noncontrolling Interest [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest				2,120,250
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member] | Subscription Receivable [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member] | Common Stock [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member] | Additional Paid-In Capital [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest				2,120,250
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member] | Retained Earnings [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Arrowheads Increase In Proportionate Share Of Calando's Equity [Member] | Noncontrolling Interest [Member]
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Issued As A Gift For $1.09 Per Share [Member]
Stock issued during period, value, new issues									162,750
Issued As A Gift For $1.09 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued As A Gift For $1.09 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues									163
Stock issued during period, shares, new issues									150,000
Issued As A Gift For $1.09 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues									162,587
Issued As A Gift For $1.09 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued As A Gift For $1.09 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member]
Stock issued during period, value, new issues									534,344
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member] | Common Stock [Member]
Stock issued during period, value, new issues									356
Stock issued during period, shares, new issues									356,229
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues									533,988
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued As Stock Issuance Cost @ $1.50 Per Unit [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Exercised @ $0.20 Per Share [Member]
Stock issued during period, value, stock options exercised									15,000
Exercised @ $0.20 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, stock options exercised
Exercised @ $0.20 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, stock options exercised									75
Stock issued during period, shares, stock options exercised									75,000
Exercised @ $0.20 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, stock options exercised									14,925
Exercised @ $0.20 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, stock options exercised
Exercised @ $0.20 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, stock options exercised
Exercised @ $1.00 Per Share [Member]
Stock issued during period, value, new issues								25,000
Stock issued during period, value, stock options exercised									6,000
Exercised @ $1.00 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Stock issued during period, value, stock options exercised
Exercised @ $1.00 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues								25
Stock issued during period, shares, new issues								25,000
Stock issued during period, value, stock options exercised									6
Stock issued during period, shares, stock options exercised									6,000
Exercised @ $1.00 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues								24,975
Stock issued during period, value, stock options exercised									5,994
Exercised @ $1.00 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Stock issued during period, value, stock options exercised
Exercised @ $1.00 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Stock issued during period, value, stock options exercised
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member]
Stock issued during period, value, new issues								2,000,000
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues								502
Stock issued during period, shares, new issues								502,260
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues								1,999,498
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued To Purchase Insert Therapeutics Share @ $3.98 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $4.88 Per Share [Member]
Stock issued during period, value, new issues							1,000,000
Issued @ $4.88 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $4.88 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues							205
Stock issued during period, shares, new issues							204,854
Issued @ $4.88 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues							999,795
Issued @ $4.88 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $4.88 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $3.84 Per Share [Member]
Stock issued during period, value, new issues							57,600
Issued @ $3.84 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $3.84 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues							15
Stock issued during period, shares, new issues							15,000
Issued @ $3.84 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues							57,585
Issued @ $3.84 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $3.84 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $3.50 Per Share [Member]
Stock issued during period, value, new issues							19,545,000
Issued @ $3.50 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $3.50 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues							5,590
Stock issued during period, shares, new issues							5,590,000
Issued @ $3.50 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues							19,539,410
Issued @ $3.50 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $3.50 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $5.91 Per Share [Member]
Stock issued during period, value, new issues							150,000
Issued @ $5.91 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $5.91 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues							25
Stock issued during period, shares, new issues							25,364
Issued @ $5.91 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues							149,975
Issued @ $5.91 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $5.91 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member]
Stock issued during period, value, new issues							1,077,333
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues							208
Stock issued during period, shares, new issues							208,382
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues							1,077,125
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued To Purchase Calando Pharmaceuticals, Inc. @ $5.17 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $5.78 Per Share, Net [Member]
Stock issued during period, value, new issues						15,152,215
Issued @ $5.78 Per Share, Net [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $5.78 Per Share, Net [Member] | Common Stock [Member]
Stock issued during period, value, new issues						2,849
Stock issued during period, shares, new issues						2,849,446
Issued @ $5.78 Per Share, Net [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues						15,149,366
Issued @ $5.78 Per Share, Net [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $5.78 Per Share, Net [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member]
Stock issued during period, value, new issues						5,400,000
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues						1,431
Stock issued during period, shares, new issues						1,431,222
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues						5,398,569
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued For Purchase Of Carbon Nanotechnologies, Inc. @ $3.77 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued At Approximately $1.80 Per Share, Net [Member]
Stock issued during period, value, new issues					6,960,585
Issued At Approximately $1.80 Per Share, Net [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued At Approximately $1.80 Per Share, Net [Member] | Common Stock [Member]
Stock issued during period, value, new issues					3,867
Stock issued during period, shares, new issues					3,863,989
Issued At Approximately $1.80 Per Share, Net [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					6,956,718
Issued At Approximately $1.80 Per Share, Net [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued At Approximately $1.80 Per Share, Net [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $2.72 Per Share To Rice University [Member]
Stock issued during period, value, new issues					136,000
Issued @ $2.72 Per Share To Rice University [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $2.72 Per Share To Rice University [Member] | Common Stock [Member]
Stock issued during period, value, new issues					50
Stock issued during period, shares, new issues					50,000
Issued @ $2.72 Per Share To Rice University [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					135,950
Issued @ $2.72 Per Share To Rice University [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $2.72 Per Share To Rice University [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member]
Stock issued during period, value, new issues					200,000
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member] | Common Stock [Member]
Stock issued during period, value, new issues					71
Stock issued during period, shares, new issues					70,547
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					199,929
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $2.83 Per Share To Purchase Shares Of Unidym, Inc. [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member]
Stock issued during period, value, new issues					310,000
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member] | Common Stock [Member]
Stock issued during period, value, new issues					105
Stock issued during period, shares, new issues					105,049
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					309,895
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $2.95 Per Share To Purchase MASA Energy, LLC [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member]
Stock issued during period, value, new issues					250,000
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Common Stock [Member]
Stock issued during period, value, new issues					114
Stock issued during period, shares, new issues					114,155
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					249,886
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $2.19 Per Share To Unidym For The Acquisition Of Nanoconduction [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $2.18 Per Share [Member]
Stock issued during period, value, new issues					32,700
Issued @ $2.18 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $2.18 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues					15
Stock issued during period, shares, new issues					15,000
Issued @ $2.18 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues					32,685
Issued @ $2.18 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $2.18 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member]
Stock issued during period, value, new issues				1,133,676
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Common Stock [Member]
Stock issued during period, value, new issues				2,059
Stock issued during period, shares, new issues				2,058,393
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues				1,131,617
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $0.55 Per Share To Unidym Stockholder In Exchange For Unidym's Shares [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member]
Stock issued during period, value, new issues				1,158,333
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Common Stock [Member]
Stock issued during period, value, new issues				2,222
Stock issued during period, shares, new issues				2,222,222
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues				1,156,111
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $0.52 Per Share To TEL Ventures In Exchange For Unidym's Shares [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $0.30 Per Share [Member]
Stock issued during period, value, new issues				2,758,993
Issued @ $0.30 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $0.30 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues				9,197
Stock issued during period, shares, new issues				9,196,642
Issued @ $0.30 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues				2,749,796
Issued @ $0.30 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $0.30 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Series D Preferred Stock Issued For Subscription In Unidym [Member]
Issuance of preferred stock in subsidiary
Series D Preferred Stock Issued For Subscription In Unidym [Member] | Subscription Receivable [Member]
Issuance of preferred stock in subsidiary				(300,000)
Series D Preferred Stock Issued For Subscription In Unidym [Member] | Common Stock [Member]
Issuance of preferred stock in subsidiary
Series D Preferred Stock Issued For Subscription In Unidym [Member] | Additional Paid-In Capital [Member]
Issuance of preferred stock in subsidiary				300,000
Series D Preferred Stock Issued For Subscription In Unidym [Member] | Retained Earnings [Member]
Issuance of preferred stock in subsidiary
Series D Preferred Stock Issued For Subscription In Unidym [Member] | Noncontrolling Interest [Member]
Issuance of preferred stock in subsidiary
Issued @ $0.63 Per Share [Member]
Stock issued during period, value, new issues			3,222,896
Issued @ $0.63 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $0.63 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues			5,083
Stock issued during period, shares, new issues			5,083,430
Issued @ $0.63 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues			3,217,813
Issued @ $0.63 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $0.63 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued @ $1.312 Per Share [Member]
Stock issued during period, value, new issues			3,698,671
Issued @ $1.312 Per Share [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued @ $1.312 Per Share [Member] | Common Stock [Member]
Stock issued during period, value, new issues			6,593
Stock issued during period, shares, new issues			6,592,989
Issued @ $1.312 Per Share [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues			3,692,078
Issued @ $1.312 Per Share [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued @ $1.312 Per Share [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member]
Stock issued during period, value, new issues
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member] | Common Stock [Member]
Stock issued during period, value, new issues			153
Stock issued during period, shares, new issues			153,176
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues			(1,435)
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued To Unidym Stockholders In Exchange For Unidym's Shares [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues			1,282
Issued To Calando Stockholders In Exchange For Calando's Shares [Member]
Stock issued during period, value, new issues
Issued To Calando Stockholders In Exchange For Calando's Shares [Member] | Subscription Receivable [Member]
Stock issued during period, value, new issues
Issued To Calando Stockholders In Exchange For Calando's Shares [Member] | Common Stock [Member]
Stock issued during period, value, new issues			1,220
Stock issued during period, shares, new issues			1,220,000
Issued To Calando Stockholders In Exchange For Calando's Shares [Member] | Additional Paid-In Capital [Member]
Stock issued during period, value, new issues			(160,667)
Issued To Calando Stockholders In Exchange For Calando's Shares [Member] | Retained Earnings [Member]
Stock issued during period, value, new issues
Issued To Calando Stockholders In Exchange For Calando's Shares [Member] | Noncontrolling Interest [Member]
Stock issued during period, value, new issues			159,447
Subscription Receivable [Member]
Stock issued during period, value, new issues
Reclassification of former Unidym mezzanine debt to equity
Stock issuance cost charged to additional paid-in capital
Net loss attributable to Arrowhead
Stock issued during period, value, stock options exercised
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Issuance of preferred stock in subsidiary			300,000
Amortization of discount on Unidym Series D Preferred Stock
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance				(300,000)
Divestiture of Unidym
Common Stock [Member]
Stock issued during period, value, new issues		87	2,251					12	706
Stock issued during period, shares, new issues		86,557	2,251,893					12,500	705,529
Reclassification of former Unidym mezzanine debt to equity
Stock issuance cost charged to additional paid-in capital
Net loss attributable to Arrowhead
Stock issued during period, value, stock options exercised		27	7		106	186	116		75
Stock issued during period, shares, stock options exercised		26,999	6,875		105,357	186,164	115,794		75,000
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Issuance of preferred stock in subsidiary
Amortization of discount on Unidym Series D Preferred Stock
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance	71,849	71,849	71,735	56,428	42,950	38,622	34,156	27,997	13,645	4,680	71,849
Shares, issued	71,833,693	71,833,693	71,720,137	56,411,774	42,934,517	38,610,420	34,143,588	27,984,194	13,631,546	4,680,000	71,833,693
Divestiture of Unidym
Additional Paid-In Capital [Member]
Stock issued during period, value, new issues		43,192	1,063,600					49,988	(151,175)
Reclassification of former Unidym mezzanine debt to equity				2,000,000
Stock issuance cost charged to additional paid-in capital									(991,318)
Net loss attributable to Arrowhead
Stock issued during period, value, stock options exercised		13,857	7,624		289,921	434,541	341,421		14,925
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value		1,106,470	1,582,149	2,676,170	3,187,397	2,175,544	1,369,478	508,513	175,653
Adjustments to additional paid in capital, reallocation of noncontrolling interest		(849,707)	245,345	16,297	1,720,962			230,087
Issuance of preferred stock in subsidiary		1,618,509
Amortization of discount on Unidym Series D Preferred Stock				163,960
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance	121,649,155	121,649,155	119,716,834	110,070,327	97,756,126	84,672,783	59,113,369	35,578,580	12,059,997	1,510,320	121,649,155
Divestiture of Unidym
Retained Earnings [Member]
Stock issued during period, value, new issues
Reclassification of former Unidym mezzanine debt to equity
Stock issuance cost charged to additional paid-in capital
Net loss attributable to Arrowhead		(352,362)	(5,774,048)	(19,308,392)	(27,089,030)	(29,931,118)	(18,997,209)	(6,854,918)	(2,528,954)	(95,238)
Stock issued during period, value, stock options exercised
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value
Adjustments to additional paid in capital, reallocation of noncontrolling interest
Issuance of preferred stock in subsidiary
Amortization of discount on Unidym Series D Preferred Stock				(163,960)
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance	(111,095,229)	(111,095,229)	(110,742,867)	(104,968,819)	(85,496,467)	(58,407,437)	(28,476,319)	(9,479,110)	(2,624,192)	(95,238)	(111,095,229)
Divestiture of Unidym
Noncontrolling Interest [Member]
Stock issued during period, value, new issues			200
Reclassification of former Unidym mezzanine debt to equity
Stock issuance cost charged to additional paid-in capital
Net loss attributable to Arrowhead		(193,099)	(1,182,990)		(152,609)	(781,829)	(964,752)	121,491	1,777,699
Stock issued during period, value, stock options exercised
Adjustments to additional paid in capital, share-based compensation, requisite service period recognition, value
Adjustments to additional paid in capital, reallocation of noncontrolling interest		849,707	54,655
Issuance of preferred stock in subsidiary
Amortization of discount on Unidym Series D Preferred Stock
Stockholders' equity, including portion attributable to noncontrolling interest, ending balance	(56,523)	(56,523)	(967,406)			152,609	934,438	1,899,190	1,777,699		(56,523)
Divestiture of Unidym		$ 254,275

X

- Definition

Adjustment to Additional Paid in Capital resulting from the recognition of deferred taxes for the temporary difference of the convertible debt with a beneficial conversion feature. A beneficial conversion feature is a nondetachable conversion feature that is in-the-money.

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Adjustment to additional paid in capital resulting from the recognition of convertible debt instruments as two separate components - a debt component and an equity component. This bifurcation may result in a basis difference associated with the liability component that represents a temporary difference for purposes of applying accounting for income taxes. The initial recognition of deferred taxes for the tax effect of that temporary difference is as an adjustment to additional paid in capital.

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Change in additional paid in capital as a result of a reallocation of a subsidiary's stockholders' equity to noncontrolling interest due to the subsidiary issuing stock. This reallocation is from a capital transaction.

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This element represents the amount of recognized equity-based compensation during the period, that is, the amount recognized as expense in the income statement (or as asset if compensation is capitalized). Alternate captions include the words "stock-based compensation".

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Direct costs (e.g., legal and accounting fees) associated with issuing stock that is deducted from additional paid in capital. Also includes any direct costs associated with stock issues under a shelf registration.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Number of shares of stock issued as of the balance sheet date, including shares that had been issued and were previously outstanding but which are now held in the treasury.

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Total of Stockholders' Equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity including portions attributable to both the parent and noncontrolling interests (previously referred to as minority interest), if any. The entity including portions attributable to the parent and noncontrolling interests is sometimes referred to as the economic entity. This excludes temporary equity and is sometimes called permanent equity.

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