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Prepaid and Other Current Assets
 9 Months Ended
Sep. 30, 2021
Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]  
Prepaid and Other Current Assets

4. PREPAID AND OTHER CURRENT ASSETS

Prepaid and other current assets consisted of the following:

 

 

 

September 30,

 

 

December 31,

 

 

 

2021

 

 

2020

 

Deposits

 

$

795

 

 

$

708

 

Prepaid expenses

 

 

6,574

 

 

 

3,510

 

Supplies

 

 

2,470

 

 

 

2,491

 

Prepaid and other current assets

 

$

9,839

 

 

$

6,709