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INVENTORY AND RESEARCH AND DEVELOPMENT SUPPLIES (Tables)
12 Months Ended
Dec. 31, 2021
INVENTORY AND RESEARCH AND DEVELOPMENT SUPPLIES  
Schedule of inventory and research and development supplies

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December 31, 

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December 31, 

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December 31, 

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2021

    

2020

    

2019

Raw materials

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$

1,381,021

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$

694,043

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$

500,263

Work in progress

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23,855

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—

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​

—

Finished goods

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75,201

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145,429

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118,387

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​

$

1,480,077

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$

839,472

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$

618,650

Research and development supplies

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$

—

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$

167,378

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$

671,845

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