Cash and Cash Equivalents	12 Months Ended
Cash and Cash Equivalents	Dec. 31, 2015
Cash and Cash Equivalents [Abstract]
Cash and Cash Equivalents	Cash and Cash Equivalents As of December 31, 2015 and 2014, the Company’s cash and cash equivalents balance of $110,070 and $41,953, respectively, included $80,914 and $36,065, respectively, of money market funds and term deposits that bear interest at rates ranging from 0.01% to 1%. As of December 31, 2015, the Company had $1,000 CAD of restricted cash which was pledged as collateral against the Company's leases (December 31, 2014 - $1,050 CAD).

The entire disclosure for cash and cash equivalent footnotes, which may include the types of deposits and money market instruments, applicable carrying amounts, restricted amounts and compensating balance arrangements. Cash and equivalents include: (1) currency on hand (2) demand deposits with banks or financial institutions (3) other kinds of accounts that have the general characteristics of demand deposits (4) short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments maturing within three months from the date of acquisition qualify.