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Prepaid Expenses and Other Current Assets (Tables)
9 Months Ended
Sep. 30, 2021
Prepaid Expenses and Other Current Assets  
Schedule of prepaid expenses and other current assets

September 30, 

December 31, 

2021

2020

Prepaid clinical trial costs

$

1,167

$

1,148

Prepaid insurance

    

318

    

1,663

Prepaid subscriptions and licenses

318

Prepaid research contracts

199

432

Prepaid rent

91

196

Other

 

 

233

149

Total

 

$

2,326

$

3,588