XML 30 R19.htm IDEA: XBRL DOCUMENT v3.22.2
Cash Equivalents and Investments (Tables)
 6 Months Ended
Jun. 30, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of Investments

Investments held are all classified as current and at June 30, 2022 and December 31, 2021 are summarized as follows (in thousands):

 

 

 

June 30, 2022

 

 

December 31, 2021

 

Corporate securities

 

$

63,110

 

 

$

72,964

 

Municipal debt securities

 

 

15,693

 

 

 

13,215

 

U.S. Treasury securities

 

 

6,907

 

 

 

5,205

 

Certificates of deposit

 

 

3,991

 

 

 

4,404

 

Federal home loan securities

 

 

3,685

 

 

 

3,927

 

 

 

$

93,386

 

 

$

99,715