Long-Term Debt (Schedule of Long Term Debt) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Total debt	$ 706,000	$ 9,811,000
Current maturities of long-term debt and capital lease obligations	588,000	1,190,000
Long-term debt and capital lease obligation, net of current maturities	118,000	8,621,000
Bank revolving credit facility | Amended and Restated Revolving Credit Agreement
Debt Instrument [Line Items]
Total debt	0	7,000,000
Capital lease obligations
Debt Instrument [Line Items]
Total debt	394,000	646,000
Other notes payable
Debt Instrument [Line Items]
Total debt	$ 312,000	$ 2,165,000