Summary of Significant Accounting Policies (Details 4) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | 60 Months Ended | 12 Months Ended | 60 Months Ended | ||||
---|---|---|---|---|---|---|---|---|
Dec. 31, 2011
|
Dec. 31, 2010
|
Dec. 31, 2013
item
|
Dec. 31, 2013
Research agreement executed during 2013
item
|
Dec. 31, 2013
Research agreement executed during 2011
|
Dec. 31, 2012
Research agreement executed during 2011
|
Dec. 31, 2011
Research agreement executed during 2011
item
|
Dec. 31, 2013
Research agreement executed during 2011
|
|
Revenue Recognition | ||||||||
Number of research agreements | 2 | |||||||
Upfront payment not representing substantive milestone | $ 100 | $ 200 | ||||||
Number of milestones met | 0 | 0 | ||||||
Amount recognized | 21 | 366 | 634 | 0 | 1,000 | |||
Amount recognized related to upfront payment | 66 | 134 | ||||||
Amount recognized related to other milestones | 300 | |||||||
Number of future milestones to be met | 0 | |||||||
Amount of federal grant awarded under QTDP | 245 | |||||||
Amount of federal grant received and recognized in income | $ 152 | $ 93 | $ 245 |