Long-Term Debt (Details Textual) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2012	Jan. 19, 2010
Long-Term Debt (Additional Textual) [Abstract]
Revolving Credit facility commitment fee	0.50%
Unused lines of Credit [Member]
Long-Term Debt (Textual) [Abstract]
Committed revolving credit facility	$ 15.0
Maximum [Member]
Long-Term Debt (Textual) [Abstract]
Applicable margin	3.50%
Minimum [Member]
Long-Term Debt (Textual) [Abstract]
Applicable margin	2.25%
Sun Trust Revolving Credit Facility [Member]
Long-Term Debt (Textual) [Abstract]
Committed revolving credit facility		15.0
Revolving credit facility Outstanding	0
Sun Trust Term Loan [Member]
Long-Term Debt (Textual) [Abstract]
First payment on the term loan	Mar. 31, 2010
Term loan requires quarterly principal payments	0.8
Term loan final principal payment	3.0
Frequency of payment of interest	Quarterly
SunTrust Bank [Member]
Long-Term Debt (Textual) [Abstract]
Period of term loan and the revolving credit facility	4 years
Committed term loan		15.0
Revolving Credit Facility Initiation Date	Jan. 19, 2010
Term Loan Issuance Date	Jan. 19, 2010
SunTrust term loan, Line of credit facility, frequency of payment	Quarterly
Index rate used as reference for interest rate on revolver and term loan	One-month LIBOR rate
Frequency of payment of interest	Monthly
Applicable margin	2.50%
Revolving Credit facility and Term Loan interest rate	2.73%
Mandatory principal payments on SunTrust term loan	$ 2.3