Report Element Information

Run date/time: 6/5/2011 7:34:40 AM

Report Element Attributes:

Report element from taxonomy prefix:	us-gaap
US GAAP taxonomy standard label:	us-gaap: Common Stock, Shares, Outstanding
Filer taxonomy standard label:	Common Stock, Shares, Outstanding
Documentation:	Total number of shares of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares represent the ownership interest of the common shareholders. Shares outstanding equals shares issued minus shares held in treasury and other adjustments, if any.
Balance type:
Period type:	As of (instant)
Report element type:	[Concept]
Data type:	Shares (xbrli:sharesItemType)

ID:	us-gaap_CommonStockSharesOutstanding
Name:	us-gaap:CommonStockSharesOutstanding

Labels of Report Element: (Labels from filer taxonomy, does not include other labels)

Role:	Label	Lang
Period end label (http://www.xbrl.org/2003/role/periodEndLabel)	Common Stock, Shares, Outstanding, Ending Balance	en-US
Period start label (http://www.xbrl.org/2003/role/periodStartLabel)	Common Stock, Shares, Outstanding, Beginning Balance	en-US
Standard label (http://www.xbrl.org/2003/role/label)	Common Stock, Shares, Outstanding	en-US

References of Report Element, FASB Accounting Standards Codification:

Publisher, Name:	Topic	Sub Topic	Glossary	URI
FASB, Accounting Standards Codification	505	10		http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770
FASB, Accounting Standards Codification	505	10		http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644
FASB, Accounting Standards Codification	210	10		http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

References of Report Element, SEC Regulation S-X (SX):

References of Report Element, US GAAP Legacy:

Publisher:	Name	Number	Chapter	Section	Paragraph	Subparagraph	Article	Clause	Appendix
AICPA	Accounting Principles Board Opinion (APB)	12			10