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Other Current Assets (Tables)
 6 Months Ended
Jun. 30, 2022
Balance Sheet Related Disclosures [Abstract]  
Schedule of Other Current Assets

Other current assets consisted of the following:

 

 

June 30,

 

 

December 31,

 

 

2022

 

 

2021

 

 

(in thousands)

 

Reagents and supplies

$

11,942

 

 

$

12,206

 

Prepaid expenses

 

9,419

 

 

 

4,244

 

Marketable securities interest receivable

 

2,692

 

 

 

2,743

 

Other receivable

 

1,334

 

 

 

1,403

 

Prepaid income taxes

 

920

 

 

 

1,716

 

Contract assets

 

173

 

 

 

237

 

Total

$

26,480

 

 

$

22,549