Long-Term Debt and Related Matters (Schedule Of Long-Term Debt Table) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Long-Term Debt and Related Matters [Abstract]
Lease obligations payable in installments through 2015 with a weighted average interest rate of 5.37% at December 31, 2012 and 7.10% at December 31, 2011	$ 62	$ 1,490
Promissory notes issued in connection with the acquisition of IDSI with imputed interest rates of 2.10%		945
Long-term debt and lease obligations, total	62	2,435
Less current maturities	35	2,384
Long-term debt and capital lease obligations, total	$ 27	$ 51
Lease Expiration Date	Dec. 31, 2015
Long-term Debt, Weighted Average Interest Rate	5.37%	7.10%
Debt Instrument, Imputed Interest Rate at End of Period		2.10%