Long-Term Debt (Details Textuals) (USD $)	6 Months Ended
	Jun. 30, 2012
Industrial Development Revenue Bonds 0.47 Percent Interest Payable 31 March 2012 | Letter Of Credit From Bank
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.43%
Secured Term Loan Payable To Government Agency Three Percent Interest Payable 31 December 2015
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	3.00%
Debt Instrument, Periodic Payment	$ 1,950
Secured Term Loan Payable To Government Agency Three Percent Waived Percent Interest Payable30 September 2012
Debt Instrument [Line Items]
Debt Instrument, Periodic Payment	$ 2,200