Derivative Financial Instruments (Details Textual)	0 Months Ended		1 Months Ended	3 Months Ended		9 Months Ended
	May 07, 2008 USD ($)	May 07, 2008 EUR (€)	Jun. 30, 2012	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Sep. 30, 2012 USD ($)	Sep. 30, 2011 USD ($)	Dec. 31, 2011 USD ($)	Dec. 31, 2010 USD ($)	May 24, 2010 USD ($)
Derivative Financial Instruments (Textual) [Abstract]
Fixed interest rate										1.50%
Floating interest rate term, months										1 month
Notional amount of contract	$ 28,000,000	€ 18,300,000								$ 30,000,000
Contract maturity date	Dec. 14, 2012	Dec. 14, 2012	Jul. 30, 2012
Total fair value of derivative liability									200,000
Total fair value of derivative assets				200,000		200,000		900,000
Net gain incurred on intercompany note				100,000			200,000
Net loss incurred on intercompany note					600,000	29,000
Forward contract terms						Forward contracts with maturities of 90 days or less
Outstanding amount of currency hedge					$ 0		$ 0		$ 0
Floating Interest Rate for debt obligation						one-month LIBOR