XML 20 R28.htm IDEA: XBRL DOCUMENT v2.4.0.6
Commitments and Contingencies (Details) (USD $)
Sep. 30, 2012
Jun. 30, 2012
Dec. 31, 2011
Commitments and Contingencies [Abstract]      
Estimated expenses associated with the limited free software subscription   $ 57,000  
Product warranty cost incurred as a percent of revenue (in hundredths) 1.00%   1.00%