Gain on Settlement (Details Textual) (USD $)	1 Months Ended
Aug. 20, 2008	Aug. 30, 2008	Jul. 31, 2013
Litigation Expense Settlement (in dollars)	$ 560,000
Litigation Gross Settlement (in dollars)		843,572
Legal Settlements Payment (in dollars)			$ 559,000

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Name:	us-gaap_GainLossRelatedToLitigationSettlement
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration