XML 48 R35.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Supplemental Cash Flow Information (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2013
Supplemental Cash Flow Information [Abstract] |
Summary Of Cash Paid For Interest And Income Taxes |
|  | For the Three Months Ended |
|  | March 31, |
|  | 2013 |  |  | 2012 |
Interest |  | $ | 36,326 |  |  | $ | 64,172 |
Income taxes |  | $ | 1,395,093 |  |  | $ | 625,055 |

X
- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
Name: | us-gaap_ScheduleOfCashFlowSupplementalDisclosuresTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_SupplementalCashFlowInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration