Financial Instruments - Derivative Instruments designated as hedging instruments - Balance Sheet Location (Table) (Details) - Derivative Instruments designated as hedging instruments - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Derivative Instruments designated as hedging instruments
Total derivatives	$ (37,710)	$ (62,009)
Current liabilities - Interest rate swaps
Derivative Instruments designated as hedging instruments
Interest rate swaps	0	18,938
Current assets - Interest rate swaps
Derivative Instruments designated as hedging instruments
Interest rate swaps	$ (37,710)	$ (80,947)

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- Definition

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

+ References

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=56946850&loc=SL5624163-113959

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

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- Definition

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

+ References

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