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Restructuring - Narrative (Details) $ in Thousands	1 Months Ended			3 Months Ended				6 Months Ended
	Jun. 30, 2021 USD ($)	Apr. 30, 2021 USD ($)	Jan. 31, 2020 USD ($)	Dec. 31, 2021 product	Sep. 30, 2021 product	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Aug. 31, 2020 creditFacility	Aug. 11, 2020 creditFacility	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring						$ (3)	$ (14)	$ (22)	$ (28)
Proceeds from sale of common stock and warrants	$ 4,500		$ 2,300
Bridge financing obtained		$ 1,500
Number of new credit facilities | creditFacility												2	2
Stockholders' equity	$ 5,603					$ 5,603	$ 1,714	$ 5,603	$ 1,714	$ 3,278	$ 4,255			$ 5,883	$ 3,996
Scenario, Forecast
Restructuring Cost and Reserve [Line Items]
Number of new products available | product				2	2

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The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.

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