Supplemental Disclosures of Cash Flows Information - Supplemental disclosures of cash flows information and non-cash financing and investing activities (Details) (USD $)	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012
Supplemental Cash Flow Elements [Abstract]
Stock-based compensation accrual impact, net	$ (20,835)	$ (12,474)
Cash paid for interest	$ 229,983	$ 92,788

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4297-108586

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