v2.4.0.6
Geographic Information (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Segment Reporting Information [Line Items]        
Net sales by geographical area $ 5,373 $ 7,173 $ 25,842 $ 22,960
Central America [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 1,636 3,536 6,228 8,654
South America [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 1,883 1,237 7,925 10,290
Mexico [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 78    1,647 151
U.S.-based Latin American distributors [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 1,075 2,104 4,859 3,381
UNITED STATES [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 41    118   
Europe, Middle East and Africa [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area 507    4,636   
Asia Pacific [Member]
       
Segment Reporting Information [Line Items]        
Net sales by geographical area $ 153 $ 296 $ 429 $ 484