Fee Income	3 Months Ended
Mar. 31, 2015
Fee Income [Abstract]
Fee Income	Fee Income Fee income represents amounts earned by the Company under various license and other agreements relating to technology developed by the Company. During the first three months of 2015, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41%, 18% and 13% respectively of fee income recognized during such period. During the first three months of 2014, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 47% and 11% respectively of fee income recognized during this period.

Fee Income

Fee income represents amounts earned by the Company under various license and other agreements relating to technology developed by the Company. During the first three months of 2015, three licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41%, 18% and 13% respectively of fee income recognized during such period. During the first three months of 2014, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 47% and 11% respectively of fee income recognized during this period.