Short-term Investments	12 Months Ended
	Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]
Short Term Investments	SHORT-TERM INVESTMENTSWe had no short-term investments at December 31, 2020. Short-term investments at December 31, 2019 were comprised of U.S. Treasury Bills totaling $24.8 million, consisting of $8.9 million that matured on March 12, 2020 and $15.9 million that matured on June 11, 2020. The interest rates on the U.S. Treasury Bills held on December 31, 2019 that matured on March 12, 2020 and June 11, 2020 were 1.8% and 1.4%, respectively. The investments are classified as held-to-maturity and recorded at cost plus accrued interest, which approximates fair value.