Financial Instruments and Fair Value Disclosures - Balance Sheet Location (Table) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Derivatives designated as hedging instruments
Subtotal	$ 114,727	$ 673,074
Derivatives not designated as hedging instruments
Subtotal	1,371,406	1,880,222
Total derivatives	1,486,133	2,553,296
Current assets - Interest rate swaps
Derivatives designated as hedging instruments
Interest rate swaps	(196,991)	0
Current liabilities - Interest rate swaps
Derivatives designated as hedging instruments
Interest rate swaps	311,718	297,908
Derivatives not designated as hedging instruments
Interest rate swaps	1,371,406	887,811
Long-Term Liabilities - Interest rate swaps
Derivatives designated as hedging instruments
Interest rate swaps	0	375,166
Derivatives not designated as hedging instruments
Interest rate swaps	$ 0	$ 992,411

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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