XML 31 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6
Note D - Concentration of Risk (Detail) - Accounts Receivable Concentration Risk by Customer (Accounts Receivable [Member])
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Customer C [Member]
   
Customer 74.00% 78.00%
Customer D [Member]
   
Customer 14.00%