Investments (Details Narrative) - USD ($)	May 31, 2014	May 31, 2013
Investments Details Narrative
Short term investments	$ 1,051,556
Investments and cash	$ 9,756,694	$ 7,495,538

Investments which are intended to be sold in the short term (usually less than one year or the normal operating cycle, whichever is longer) including trading securities, available-for-sale securities, held-to-maturity securities, and other short-term investments not otherwise listed in the existing taxonomy.

No definition available.

Name:	JFGI_ShortTermInvestments1
Namespace Prefix:	JFGI_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant