Accounts Receivable (Details Textual) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Accounts Receivable (Textual)
Decrease in allowance for doubtful accounts	$ (312,411)		$ (312,411)

Amount of increase (decrease) in the allowance for doubtful accounts.

No definition available.

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration