Fee Income	6 Months Ended
Jun. 30, 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 six months of 2015, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 30% and 14%, respectively of fee income recognized during this period. In addition, during the six months ended June 30, 2015, approximately 23% of revenues related to fees generated by a large architectural glass project. During the first six months of 2014, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41% and 10%, respectively of fee income recognized during such 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 2015, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 30% and 14%, respectively of fee income recognized during this period. In addition, during the six months ended June 30, 2015, approximately 23% of revenues related to fees generated by a large architectural glass project. During the first six months of 2014, two licensees accounted for 10% or more of fee income of the Company; these licensees accounted for approximately 41% and 10%, respectively of fee income recognized during such period.