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Basis of presentation (Details) - $ / shares	Mar. 31, 2021	Feb. 04, 2021	Dec. 31, 2020
Basis of Presentation [Abstract]
Common stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
AMCI Acquisition Corp. [Member]
Basis of Presentation [Abstract]
Acquired percentage		100.00%
Common stock, par value (in dollars per share)		$ 0.0001

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- References

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
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Face amount or stated value per share of common stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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