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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2020
Fair Value Measurements  
Schedule of assets that are measured at fair value on a recurring basis

Fair Value Measurement at Reporting Date Using

in thousands

December 31, 2020

Quoted Prices in Active Markets for Identical Assets (Level 1)

Significant Other Observable Inputs (Level 2)

Significant Unobservable Inputs (Level 3)

Assets:

U.S. Treasury Notes

$

4,951

-

$

4,951

-

Corporate Notes / Bonds

$

8,780

-

$

8,780

-

Commercial Paper

$

4,098

-

$

4,098

-

U.S. Treasury Bills

$

5,292

-

$

5,292

-

U.S. Government Agencies

$

3,738

-

$

3,738

-

Fair Value Measurement at Reporting Date Using

in thousands

December 31, 2019

Quoted Prices in Active Markets for Identical Assets (Level 1)

Significant Other Observable Inputs (Level 2)

Significant Unobservable Inputs (Level 3)

Assets:

U.S. Treasury Notes

$

9,225

-

$

9,225

-

Corporate Notes / Bonds

$

8,169

-

$

8,169

-

Commercial Paper

$

3,482

-

$

3,482

-

U.S. Treasury Bills

$

2,385

-

$

2,385

-

U.S. Government Agencies

$

2,249

-

$

2,249

-