Collaboration and License Agreements (Tables)

6 Months Ended

Jun. 30, 2013

Collaboration and License Agreements

Summary of license maintenance fees and royalties related to the agreements recorded

The following table summarizes the license maintenance fees and royalties paid to M.I.T. and recorded in the three and six months ended June 30, 2013 and 2012 (in thousands):

	For the Three Months Ended June 30, 2013		For the Three Months Ended June 30, 2012		For the Six Months Ended June 30, 2013		For the Six Months Ended June 30, 2012
License maintenance fees	$	21	$	39	$	41	$	79
Royalties	12		366		99		786
Total	$	33	$	405	$	140	$	865