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INVESTMENTS HELD-TO-MATURITY
12 Months Ended
Dec. 31, 2020
Investments [Abstract]  
INVESTMENTS HELD-TO-MATURITY INVESTMENTS HELD-TO-MATURITY
We classify investments as held-to-maturity when we have the positive intent and ability to hold the securities to maturity.
During 2020, we did not invest in any commercial papers or certificates of deposit. At December 31, 2020, we had no investments classified as held-to-maturity.
During 2019, we invested in commercial papers and certificates of deposit that were classified as investments held-to-maturity. As of December 31, 2019, all of our investments held-to-maturity had matured and we had no investments classified as held-to-maturity.
We recorded interest and investment income of $66,000 and $253,000 for the years ended December 31, 2020 and 2019, respectively, associated with our cash and investment accounts. We did not recognize an other-than-temporary impairment or a comprehensive gain or loss for the years ended December 31, 2020 and 2019.