XML 56 R45.htm IDEA: XBRL DOCUMENT
v3.19.2

Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details) - shares | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 2,277,660 | 2,021,543
Warrants Issued and Outstanding |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 51,003 | 51,003
Stock Option Awards Issued and Outstanding |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 1,553,169 | 1,407,049
Authorized for Grants under the 2016 Equity Incentive Plan |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 477,477 | 463,491
Authorized for grants under the 2016 Employee Stock Purchase Plan |  |
Class Of Stock [Line Items] |  |
Common stock, reserved for future issuance | 196,011 | 100,000

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate number of common shares reserved for future issuance. + 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=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=airg_WarrantsIssuedAndOutstandingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=airg_StockOptionAwardsIssuedAndOutstandingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=airg_TwoThousandAndSixteenEquityIncentivePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=airg_TwoThousandAndSixteenEmployeeStockPurchasePlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |