XML 40 R21.htm IDEA: XBRL DOCUMENT v2.4.0.8
Concentration of Sales to Major Customers (Narrative) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Customer Revenue Concentration
       
Concentration Risk, Percentage 90.00% 93.00% 95.00% 89.00%
Accounts Receivable Concentration
       
Concentration Risk, Percentage     92.00% 98.00%