XML 33 R17.htm IDEA: XBRL DOCUMENT v2.4.0.6

Supplemental Cash Flow Information (Tables)

9 Months Ended

Sep. 30, 2012

Supplemental Cash Flow Information

Schedule of cash paid for interest and income taxes

		Nine Months Ended
		30-Sep-12			30-Sep-11
Interest		$	24,747		$	19,957
Income taxes, net of refunds		$	3,371,507		$	2,856,998

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_SupplementalCashFlowElementsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration