Calyxt, Inc. Quarterly report pursuant to Section 13 or 15(d)

Restructuring Costs - Additional Information (Detail)

v3.20.2

Restructuring Costs - Additional Information (Detail) - USD ($)	3 Months Ended	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2020	Sep. 30, 2019
Restructuring Costs [Abstract]
Severance and other charges	$ 436,000
Stock-based compensation		$ 3,638,000	$ 6,565,000
Restructuring and severance cost liabilities	261,000	261,000
Soybean Products [Member]
Restructuring Costs [Abstract]
Severance and other charges	400,000
Stock-based compensation	900,000
Restructuring and severance cost liabilities	300,000	300,000
Soybean Products [Member] \| Employee Severance and Other Related Payments [Member] \| Maximum [Member]
Restructuring Costs [Abstract]
Restructuring and related cost, expected cost remaining	300,000	300,000
Soybean Products [Member] \| Transitional Expenses [Member]
Restructuring Costs [Abstract]
Restructuring and related cost, expected cost remaining	$ 600,000	$ 600,000

- Definition

Amount of expected cost remaining for the specified restructuring cost.

+ References

No definition available.

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- Definition

Amount 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.

+ References

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- Definition

Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan.

+ References

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- Definition

Amount of noncash expense for share-based payment arrangement.

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