Quarterly Results of Operations (Unaudited) (Details Textual)	12 Months Ended
Dec. 31, 2012
Quarterly Results of Operations (Textual) [Abstract]
Change in third quarter federal income taxes related to deferred tax valuation	100.00%

Income tax federal benefit percentage of tax due to deferred tax valuation.

No definition available.

Name:	cafi_IncomeTaxFederalBenefitPercentageOfTaxDueToDeferredTaxValuation
Namespace Prefix:	cafi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration