Preferred Stock (Details Textual) (USD $)	12 Months Ended		12 Months Ended		1 Months Ended
Preferred Stock (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Maximum [Member]	Dec. 19, 2008 Series Preferred Stock [Member]	Feb. 29, 2012 Series Preferred Stock [Member] Minimum [Member]	Dec. 31, 2008 Series B Preferred Stock [Member]	Dec. 19, 2008 Series B Preferred Stock [Member]	Dec. 19, 2008 Fixed Rate Cumulative Perpetual [Member] Series Preferred Stock [Member]
Preferred stock, shares issued	300	300						6,000
Preferred stock, liquidation per share (in dollars per share)	$ 1,000	$ 1,000		$ 1,000
Adjustments to Additional Paid in Capital, Warrant Issued						$ 300,000
Proceeds from Issuance of Preferred Stock, Preference Stock, and Warrants						6,000,000
Preferred Stock, Dividend Rate, Percentage	5.00%		9.00%			9.00%
Proceeds from Issuance of Redeemable Preferred Stock					$ 1,500,000
Class of Warrant or Right, Exercise Price of Warrants or Rights							0.01

Increase in additional paid in capital due to warrants issued during the period. Includes also the proceeds of debt securities issued with detachable stock purchase warrants that are allocable to the warrants. These warrants qualify for equity classification and provide the holder with a right to purchase stock from the entity.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Warrant

-URI http://asc.fasb.org/extlink&oid=6528364

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 31

-Article 5

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 14

-Paragraph 16

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 470

-SubTopic 20

-Section 25

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=7656322&loc=d3e4724-112606

+ Details

- Definition

The per share liquidation preference (or restrictions) of nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) that has a preference in involuntary liquidation considerably in excess of the par or stated value of the shares. The liquidation preference is the difference between the preference in liquidation and the par or stated values of the share.

+ References+ Details

- Definition

The cash inflow from issuance of preferred stock that is classified as callable.

+ References+ Details

PATAPSCO BANCORP INC 10-K