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Litigation (Details) (USD $)
0 Months Ended 12 Months Ended
Feb. 26, 2013
Dec. 31, 2013
Lawsuit
Apr. 03, 2013
Patent
Nov. 06, 2012
Patent
Litigation [Abstract]        
Number of intellectual property infringement lawsuits pending   4    
Amount of damages awarded in patent infringement case   $ 368,000    
Amount of interest payment awarded up to final judgment, per day   34    
Amount of damage infringement payment awarded up to final judgment, per day   $ 330    
Court order mediation interval 45 days      
Number of patents allegedly infringed upon by Apple, Inc.     4 4
Percentage of proceedings obtain in the lawsuit to be paid   25.00%