Inventory (Tables)

12 Months Ended

Dec. 31, 2019

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventory is comprised of the following items:

	December 31,
	2019		2018
Raw materials	$	15,926	$	2,132
Work-in-process		53,973		12,812
Finished goods		17,962		1,267
Total	$	87,861	$	16,211

Schedule of Inventory Valuation Adjustments Included in Cost of Sales

Inventory is written down for any obsolescence, spoilage and excess inventory or when the net realizable value of inventory is less than the carrying value. Inventory valuation adjustments included in cost of sales on the statements of net loss and comprehensive loss is comprised of the following:

	Year ended December 31,
	2019		2018		2017
Raw materials	$	788	$	—	$	—
Work-in-process		61,302		4,561		617
Finished goods		6,493		—		—
Total	$	68,583	$	4,561	$	617