Financial Instruments - Balance Sheet Location (Table) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Derivative Instruments designated as hedging instruments
Total Derivatives	$ (122,950)	$ 651,896
Current liabilities - Interest rate swaps
Derivative Instruments designated as hedging instruments
Interest rate swaps	391,064	397,964
Long-Term Liabilities - Interest rate swaps
Derivative Instruments designated as hedging instruments
Interest rate swaps	0	253,932
Non-current assets - Interest rate swaps
Derivative Instruments designated as hedging instruments
Interest rate swaps	$ (514,014)	$ 0

Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4B

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

-Paragraph 17

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant