XML 50 R18.htm IDEA: XBRL DOCUMENT v2.4.0.8
Business Concentration
3 Months Ended
Mar. 31, 2014
Risks and Uncertainties [Abstract]  
Business Concentration
Note 12 - Business Concentration
 
During the three months ended March 31, 2014 and 2013, we sold our ECOTRAX rail ties to one customer representing approximately 29% and 24%, respectively of our total revenue.