Difference between the amount paid and the amount included in accrued expenses.

No definition available.

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- Definition

Amount of reclassification of liability measured at fair value on recurring basis using unobservable input.

+ References

No definition available.

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- Definition

Indicates measurement input for business combination contingent consideration liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (bbb)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 25
-Paragraph 6
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-Publisher FASB
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-Topic 805
-SubTopic 30
-Section 35
-Paragraph 1
-Subparagraph b
-URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478

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- Definition

Indicates valuation technique for measuring business combination contingent consideration liability.

+ References

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- Definition

Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=117815213&loc=d3e19207-110258

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- Definition

The amount that is required to be paid, determined under the conditions specified in the contract, if as of the reporting date, the holder of the share has exercised the right to or the shares are mandatorily redeemable after one year from the reporting date or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109262807&loc=d3e22047-110879

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- References

No definition available.

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- Definition

Indicates measurement input for outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

+ References

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- Definition

Indicates valuation technique for measuring outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur.

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Fair value of financial instruments - Recurring Basis Unobservable (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020
Valuation Technique and Input, Description [Abstract]
Contingent consideration liability (Note 4), net of current portion	$ 6,260		$ 6,984
Warrant liability	2,360		$ 490
Contingent consideration - Long term portion \| Series D Redeemable Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	6,984	$ 8,139
Contingent consideration paid		(171)
Reclassification of FY 2020 payment to accrued expenses	(1,150)	(1,590)
Change in fair value	426	(1,474)
Balance, end of period	$ 6,260	4,904
Difference between the amount paid and the amount included in accrued expenses		87
Contingent consideration - Long term portion \| Series D Redeemable Convertible Preferred Stock \| Discounted Cash Flow Analysis under the Income Approach
Valuation Technique and Input, Description [Abstract]
Valuation Technique	Discounted Cash Flow Analysis under the Income Approach
Contingent consideration - Long term portion \| Series D Redeemable Convertible Preferred Stock \| Measurement Input, Discount Rate
Valuation Technique and Input, Description [Abstract]
Unobservable Inputs	us-gaap:MeasurementInputDiscountRateMember akya:RevenueDiscountFactorMember
Warrant liability \| Series D Redeemable Convertible Preferred Stock
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Balance, beginning of period	$ 490	192
Change in fair value	1,870	0
Balance, end of period	2,360	$ 192
Valuation Technique and Input, Description [Abstract]
Warrant liability	$ 2,360
Shares called by warrant	368,780
Warrant liability \| Series D Redeemable Convertible Preferred Stock \| Black Scholes Option Pricing Model
Valuation Technique and Input, Description [Abstract]
Valuation Technique	Black Scholes Option Pricing Model
Warrant liability \| Series D Redeemable Convertible Preferred Stock \| Measurement Input, Price Volatility
Valuation Technique and Input, Description [Abstract]
Unobservable Inputs	us-gaap:MeasurementInputPriceVolatilityMember us-gaap:MeasurementInputExpectedTermMember us-gaap:MeasurementInputRiskFreeInterestRateMember