Cash, Cash Equivalents, and Restricted Cash

3 Months Ended

Mar. 31, 2019

Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents [Abstract]

Cash, Cash Equivalents, and Restricted Cash

4. Cash, Cash Equivalents, and Restricted Cash

Restricted cash at March 31, 2019 and December 31, 2018 includes $0.6 million in cash accounts held as collateral primarily under the terms of an office operating lease, credit card agreement and automobile leases.