Short And Long-Term Debt (Schedule Of Debt) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Short And Long-Term Debt [Line Items]
Domestic Term-Loan	$ 3,750	$ 3,500
Note Payable Datrix Purchase	262	350
Total Debt	10,167	11,100
Less: Current maturities	(2,945)	(2,883)
Total Long-Term Debt	7,222	8,217
Domestic Asset-Based Revolving Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Line of Credit Facility, Amount Outstanding	4,360	5,369
Total Debt	4,360
Foreign Overdraft And Letter Of Credit Facility [Member]
Short And Long-Term Debt [Line Items]
Line of Credit Facility, Amount Outstanding	1,795	1,881
Total Debt	$ 1,795