Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Revenue from Contracts with Customers
Product sales, net	$ 195	$ 102	$ 497	$ 242
Contract with customer, assets	0		0		$ 0
Contract with customer, liabilities	0		0		$ 0
CANADA
Revenue from Contracts with Customers
Product sales, net	56	$ 102	295	$ 242
UNITED STATES
Revenue from Contracts with Customers
Product sales, net	$ 139		$ 202