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INVENTORY
 12 Months Ended
Dec. 31, 2019
INVENTORY  
INVENTORY

9.     INVENTORY

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 

 

December 31, 

 

December 31, 

 

    

2019

    

2018

    

2017

 

 

 

 

 

As restated Note 23

 

As restated Note 23

Raw materials

 

$

500,263

 

$

301,693

 

$

175,487

Work in progress

 

 

 —

 

 

2,435

 

 

171,599

Finished goods

 

 

118,387

 

 

14,007

 

 

51,470

 

 

$

618,650

 

$

318,135

 

$

398,556

 

 

 

 

 

 

 

 

 

 

Research and development supplies

 

$

671,845

 

$

1,274,653

 

$

1,274,653

 

During the years ended December 31, 2019, 2018 and 2017 the Company did not write down any inventory.  During the year ended December 31, 2019, $458,436 of inventory was expensed in cost of goods sold (year ended December 31, 2018 and 2017: $366,258 and $752,810 respectively).