Consolidated statements of loss and comprehensive loss - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated statements of loss and comprehensive loss
Net revenue	$ 4,776	$ 23	$ 12,773	$ 52
Cost of revenue	1,215	18	3,415	59
Gross profit (loss)	3,561	5	9,358	(7)
Expenses
Research and development	1,131	289	1,801	1,008
Selling, general and administrative	9,022	6,124	24,344	14,594
Loss from operations	(6,592)	(6,408)	(16,787)	(15,609)
Interest income	1,012	94	1,396	262
Loss on disposal of assets		(27)	(1)	(270)
Other (income) loss	(5)	1	(8)	530
Foreign exchange loss	(67)	(6)	(123)	(6)
Loss before income taxes	(5,652)	(6,346)	(15,523)	(15,093)
Income tax benefit	657		1,317
Net loss	(4,995)	(6,346)	(14,206)	(15,093)
Unrealized losses, change in fair value of available-for-sale securities, net of tax	(803)		(803)
Change in foreign currency translation	(32)		(21)
Net loss and comprehensive loss	$ (5,830)	$ (6,346)	$ (15,030)	$ (15,093)
Weighted average number of common shares - basic (in shares)	979,946,407	978,494,076	979,915,419	948,664,410
Weighted average number of common shares - diluted (in shares)	979,946,407	978,494,076	979,915,419	948,664,410
Loss per share - basic (in dollars per share)	$ (0.005)	$ (0.006)	$ (0.014)	$ (0.050)
Loss per share - diluted (in dollars per share)	$ (0.005)	$ (0.006)	$ (0.014)	$ (0.050)