Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2012

Financial Instruments [Abstract]

Balance Sheet Location

Derivative Instruments designated as hedging instruments
			December 31,
			2011		2012
	Balance Sheet Location		Fair Value		Fair Value
Interest rate swaps	Current liabilities – Interest rate swaps	$	-	$	397,964
Interest rate swaps	Long-Term liabilities – Interest rate swaps		-		253,932
Total derivatives		$	-	$	651,896

Location of Gain/(Loss) Recognized

Derivative Instruments designated as hedging instruments
			Year Ended December 31,
	Location of Gain/(Loss) Recognized		2011 Gain/(Loss)		2012 Gain/(Loss)
Interest rate swaps – Fair value	Other comprehensive loss	$	-	$	(651,896)
Total loss on derivatives		$	-	$	(651,896)