Long-Term Obligations (Details Textuals) (USD $)	6 Months Ended			6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012 Debt [Member]	Jun. 30, 2012 Line of Credit [Member]	Jun. 30, 2012 Senior Notes [Member]	Jun. 30, 2012 Senior term notes at LIBOR + 1.75% (2.00% at March 31, 2012) [Member]	Jun. 30, 2012 Senior term notes at LIBOR + 2.25% (2.51% at December 31, 2010) [Member]	Dec. 31, 2011 Senior term notes at LIBOR + 2.25% (2.51% at December 31, 2010) [Member]
Debt Instrument [Line Items]
BaseRateAndAdjustedRateDescription	The base rate for the senior term notes is a rate per annum equal to the greatest of Wells Fargo Bank, N.A. ("Wells Fargo") prime rate in effect on such day, the Federal funds effective rate in effect on such day plus 0.5% and the adjusted Eurodollar rate for a one-month interest period commencing on such day plus 1.0%. The adjusted Eurodollar rate is defined as the rate per annum obtained by dividing (1) the rate of interest offered to Wells Fargo on the London interbank market by (2) a percentage equal to 100% minus the stated maximum rate of all reserve requirements applicable to any member bank of the Federal Reserve System in respect of “Eurocurrency liabilities.”
Debt Instrument, Interest Rate Terms	the base rate (as defined below) plus the applicable margin. The applicable margin for a base rate loan is an amount equal to the applicable margin for Eurodollar rate (as defined below) minus 1.00%; or
Deferred financing costs	$ 75,000
Interest rate of Senior term notes						LIBOR plus 1.75%	LIBOR plus 2.25%
Debt Instrument, Basis Spread on Variable Rate			1.75%			1.75%	2.25%
Debt retirement costs	122,000	0			122,300
Income from continuing operations					47,300
Senior term notes interest rates, period end						2.00%		2.51%
Senior Term Notes description of variable interest rate basis	LIBOR			Base rate or adjusted Eurodollar rate	The base rate for the senior term notes is a rate per annum equal to the greatest of Wells Fargo’s prime rate in effect on such day, the Federal funds effective rate in effect on such day plus 0.5% and the adjusted Eurodollar rate for a one-month interest period commencing on such day plus 1.0%.
Senior notes Description of Euro Dollar rate basis					The adjusted Eurodollar rate is defined as the rate per annum obtained by dividing (1) the rate of interest offered to Wells Fargo on the London interbank market by (2) a percentage equal to 100% minus the stated maximum rate of all reserve requirements applicable to any member bank of the Federal Reserve System in respect of “Eurocurrency liabilities.”
Basis spread on adjusted eurodollar rate			1.75%			1.75%	2.25%
Long-Term Obligations (Textuals) [Abstract]
Senior term notes	50,000,000
Long term revolving credit facility interest rate	the base rate or the adjusted Eurodollar rate plus a margin of 1.75%
Principal payment for senior term notes	7,900,000
Principal payment for senior term notes quarterly payments	11,800,000
Principal payment for senior term notes quarterly payments prior to maturity	15,800,000
Revolving credit facility maturity date	August 19, 2016
Incremental Facilities Prior to Debt Amendment	100,000,000
Incremental Facilities After Issuance of Additional Debt	50,000,000
Increase in Incremental Facilities	50,000,000
Incremental Facilities After Amendment	$ 100,000,000