XML 20 R9.htm IDEA: XBRL DOCUMENT

Restricted Cash	6 Months Ended
Restricted Cash	Jun. 30, 2016
Restricted Cash
Restricted Cash	4. Restricted Cash At June 30, 2016 and December 31, 2015, the Company had $483,000 in restricted cash which serves as the security deposit on the lease of the Company’s current facility in Cambridge, Massachusetts (Note 7).