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Fair Value Measurements
12 Months Ended
Dec. 31, 2019
Fair Value Disclosures [Abstract]  
Fair Value Measurements

6.

FAIR VALUE MEASUREMENTS

The Company’s financial instruments consist of Level 1 assets at December 31, 2018 and 2019. The Company’s cash and restricted cash was $20.7 million and $30.8 million and included savings deposits and overnight investments at December 31, 2018 and 2019.