XML 42 R22.htm IDEA: XBRL DOCUMENT ﻿
v2.3.0.11

Document Information | 6 Months Ended
--- | ---
Jun. 30, 2011
Document Type | 10-Q
Amendment Flag | false
Document Period End Date | Jun. 30, 2011

X
- Definition If the value is true, then the document as an amendment to previously-filed/accepted document. + Details
Name: | dei_AmendmentFlag
Namespace Prefix: | dei
Data Type: | xbrli:booleanItemType
Balance Type: | na
Period Type: | duration

X
- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements this will be the filing date. The format of the date is CCYY-MM-DD. + Details
Name: | dei_DocumentPeriodEndDate
Namespace Prefix: | dei
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The type of document being provided (such as 10-K, 10-Q, N-1A, etc). The document type should be limited to the same value as the supporting SEC submission type. The acceptable values are as follows: S-1, S-3, S-4, S-11, F-1, F-3, F-4, F-9, F-10, 6-K, 8-K, 10, 10-K, 10-Q, 20-F, 40-F, N-1A, 485BPOS, NCSR, N-Q, and Other. + Details
Name: | dei_DocumentType
Namespace Prefix: | dei
Data Type: | us-types:SECReportItemType
Balance Type: | na
Period Type: | duration