XML 18 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Segment Information and Major Customers (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Net sales per geographic region, based on billing location of end customer    
Total Sales $ 1,407 $ 1,773
United States
   
Net sales per geographic region, based on billing location of end customer    
Total Sales 1,276 1,637
Canada
   
Net sales per geographic region, based on billing location of end customer    
Total Sales 118 130
Other International
   
Net sales per geographic region, based on billing location of end customer    
Total Sales $ 13 $ 6