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PREPAID EXPENSES AND OTHER CURRENT ASSETS
3 Months Ended
Mar. 31, 2021
PREPAID EXPENSES AND OTHER CURRENT ASSETS  
PREPAID EXPENSES AND OTHER CURRENT ASSETS

8. PREPAID EXPENSES AND OTHER CURRENT ASSETS

Prepaid expenses and other current assets consists of the following (in thousands):

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March 31, 

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December 31, 

​

​

2021

​

2020

Receivable for warrants exercised

​

$

12,357

​

$

—

Prepaid insurance

​

​

2,948

​

​

121

Prepaid operating expenses

​

​

1,015

​

​

68

Prepaid dues and subscriptions

​

​

883

​

​

189

Prepaid taxes

​

​

474

​

​

—

Vendor prepayments

​

​

473

​

​

—

Prepaid rent

​

​

155

​

​

118

Deferred cost of goods sold

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​

—

​

​

454

Other

​

​

352

​

​

26

Total prepaid expenses and other current assets

​

$

18,657

​

$

976

​

The Company received the outstanding proceeds from warrants exercised in April 2021.