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FAIR VALUE MEASUREMENTS (Tables)
 9 Months Ended
Sep. 30, 2020
Fair Value Disclosures [Abstract]  
Schedule of Fair Value of Financial Assets and Liabilities
The following tables summarize our financial assets and liabilities carried at fair value, all of which were valued from readily available prices or using inputs based upon quoted prices for similar instruments in active markets (known as "Level 1" and "Level 2" inputs, respectively, in the fair value hierarchy established by the FASB Topic, Fair Value Measurements and Disclosures).
(in thousands)
 
 
 
Available-for-sale securities
September 30, 2020
Level 1
Level 2
Corporate notes and bonds
$
10,612

$
10,612

$
—

Mutual funds
577

—

577

United States Government and agency securities
6,132

6,132

—

Total fair value of available-for-sale securities
$
17,321

$
16,744

$
577



(in thousands)
 
 
 
Available-for-sale securities
December 31, 2019
Level 1
Level 2
Corporate notes and bonds
$
8,310

$
8,310

$
—

Mutual funds
587

—

587

United States Government and agency securities
3,868

3,868

—

Total fair value of available-for-sale securities
$
12,765

$
12,178

$
587