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v3.20.4

Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2020 | Feb. 29, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Office Space and Research Facilities Lease |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |
Operating leases, rent expense |  |  | $ 1.2 | $ 1.0
Lease expiration date |  |  | Dec. 31, 2025 |
Supply Agreement [Member] |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |
Payments for inventory |  |  | $ 0.3 |
Supply Agreement [Member] | Maximum |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |
Purchase of inventory | $ 2.0 |  |  |
Office Space Lease Agreement |  |  |  |
Commitment And Contingencies [Line Items] |  |  |  |
Operating lease maturity year |  | 2025 |  |

X
- Definition Commitment and contingencies. + References No definition available. + Details
Name: | airg_CommitmentAndContingenciesLineItems
Namespace Prefix: | airg_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Operating lease maturity Year. + References No definition available. + Details
Name: | airg_OperatingLeaseMaturityYear
Namespace Prefix: | airg_
Data Type: | xbrli:gYearItemType
Balance Type: | na
Period Type: | duration

X
- Definition Payments for inventory. + References No definition available. + Details
Name: | airg_PaymentsForInventory
Namespace Prefix: | airg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Purchase of inventory. + References No definition available. + Details
Name: | airg_PurchaseOfInventory
Namespace Prefix: | airg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
Name: | us-gaap_LeaseAndRentalExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Date which lease or group of leases is set to expire, in CCYY-MM-DD format. + References No definition available. + Details
Name: | us-gaap_LeaseExpirationDate1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=airg_OfficeSpaceAndResearchFacilitiesLeaseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=airg_SupplyAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_TypeOfArrangementAxis=airg_OfficeSpaceLeaseAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |