Quarterly report pursuant to Section 13 or 15(d)

Short-Term Investments

Short-Term Investments
3 Months Ended
Mar. 31, 2020
Investments, Debt and Equity Securities [Abstract]  
Short-Term Investments



The following table summarizes the available-for-sale investments held:


Description   March 31, 2020     December 31, 2019  
U.S. government and agency securities and treasuries   $ 75,887,000     $    -  


The amortized cost of the available-for-sale debt securities, which is adjusted for amortization of premiums and accretion of discounts to maturity, was $75,501,000 as of March 31, 2020. There were no material realized gains or losses recognized on the sale or maturity of available-for-sale debt securities during the three months ended March 31, 2020 or 2019.