Short-term Investments

3 Months Ended

Mar. 31, 2019

Investments, All Other Investments [Abstract]

Short-term Investments

4. Short-term Investments

The Company held short-term investments $11.0 million at March 31, 2019, as compared to none at December 31, 2018. The investment is federally insured certifiate of deposit maturing in 6 months.