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PREPAIDS AND OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2021
PREPAIDS AND OTHER CURRENT ASSETS

 

4. PREPAIDS AND OTHER CURRENT ASSETS

 

The following table reflects the details of prepaids and other current assets at December 31:

 

   2021   2020   2019 
             
Sales tax recoverable and other current assets  $141,568   $122,353   $81,265 
Deposits on equipment   288,287    -    - 
Prepaid expenses   50,668    496,364    750,000 
Prepaids and other current assets  $480,523   $618,717   $831,265 

 

Research and development credit, security deposits on leased properties and certain prepaid expenses were disposed of upon the sale of DenseLight on November 8, 2019.