Inventories

12 Months Ended

Dec. 31, 2021

Inventory Disclosure [Abstract]

Inventories

6.Inventories

	December 31,
	2021		2020
Raw materials	$	111,713	$	29,005
Work in progress		142,935		52,515
Finished goods		120,863		24,293
Total inventories	$	375,511	$	105,813

For the year ended December 31, 2021, the Company charged $8,582 of excessive fixed production overhead to cost of sales (2020 - $1,697, 2019 - $3,794).

For the year ended December 31, 2021, cost of sales includes $70,133 of inventory provision for products that are likely to expire before being sold (2020 - $ 5,816, 2019 - $651).