Restricted cash	12 Months Ended
Dec. 31, 2015
Restricted Cash
Restricted cash	4. Restricted Cash The Company is required to maintain a security deposit for its operating lease agreement for the duration of the lease agreement and for its credit cards as long as they are in place. At both December 31, 2015 and 2014, the Company had certificates of deposit for $260,000 and $340,000, respectively, which represented collateral as security deposits for its operating lease agreement for its facility and its credit card. In accordance with the operating lease agreement, the Company reduced its security deposit by $80,000 to $240,000 in June 2015.

Restricted cash

12 Months Ended

Dec. 31, 2015

4. Restricted Cash

The Company is required to maintain a security deposit for its operating lease agreement for the duration of the lease agreement and for its credit cards as long as they are in place. At both December 31, 2015 and 2014, the Company had certificates of deposit for $260,000 and $340,000, respectively, which represented collateral as security deposits for its operating lease agreement for its facility and its credit card. In accordance with the operating lease agreement, the Company reduced its security deposit by $80,000 to $240,000 in June 2015.