Long-Term Obligations (Details Textuals) (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
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
Debt retirement costs	122,000	2,944,000
Senior Term Notes description of variable interest rate basis	LIBOR
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
Increase in Incremental Facilities	50,000,000
Incremental Facilities After Amendment	100,000,000
Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.75%
Basis spread on adjusted eurodollar rate	1.75%
Line of Credit [Member]
Debt Instrument [Line Items]
Senior Term Notes description of variable interest rate basis	Base rate or adjusted Eurodollar rate
Senior Notes [Member]
Debt Instrument [Line Items]
Debt retirement costs	122,000
Income from continuing operations	$ 47,000
Senior Term Notes description of variable interest rate basis	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.”
Senior term notes at LIBOR + 1.75% (2.00% at March 31, 2012) [Member]
Debt Instrument [Line Items]
Interest rate of Senior term notes	LIBOR plus 1.75%
Debt Instrument, Basis Spread on Variable Rate	1.75%
Basis spread on adjusted eurodollar rate	1.75%
Senior term notes at LIBOR + 2.25% (2.51% at December 31, 2010) [Member]
Debt Instrument [Line Items]
Interest rate of Senior term notes	LIBOR plus 2.25%
Debt Instrument, Basis Spread on Variable Rate	1.75%
Basis spread on adjusted eurodollar rate	1.75%