Fee Income	6 Months Ended
Jun. 30, 2013
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 six months of 2013, two licensees each accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41% and 16% of the Company's fee income recognized during this period. During the first six months of 2012, one licensee accounted for 10% or more of fee income of the Company; this licensee accounted for approximately 69% of the Company's 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 six months of 2013, two licensees each accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41% and 16% of the Company's fee income recognized during this period. During the first six months of 2012, one licensee accounted for 10% or more of fee income of the Company; this licensee accounted for approximately 69% of the Company's fee income recognized during this period.