v2.4.0.6
Segment and Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Schedule of sales by geographical area      
Net sales by geographical area $ 34,294 $ 34,884 $ 72,530
Central America [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 11,767 11,755 9,935
US based distributors selling to Latin America [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 6,295 5,321 241
South America [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 8,633 14,813 61,224
Asia Pacific [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 430 908 1,130
EMEA [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 4,799 1,090  
Mexico [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area 1,960 997  
United States [Member]
     
Schedule of sales by geographical area      
Net sales by geographical area $ 410