XML 38 R27.htm IDEA: XBRL DOCUMENT
v3.19.2

Stockholders' Equity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Class Of Stock Disclosures [Abstract] |
Schedule of Common Stock Reserved for Future Issuance | The following common stock is reserved for future issuance at(1):
|  | June 30, 2019 |  |  | December 31, 2018 |
Warrants issued and outstanding |  |  | 51,003 |  |  |  | 51,003 |
Stock option awards issued and outstanding |  |  | 1,553,169 |  |  |  | 1,407,049 |
Authorized for grants under the 2016 Equity Incentive Plan |  |  | 477,477 |  | (2) |  | 463,491 |
Authorized for grants under the 2016 Employee Stock Purchase Plan |  |  | 196,011 |  | (3) |  | 100,000 |
|  |  | 2,277,660 |  |  |  | 2,021,543 |
(1) Treasury stock in the amount of 371,664 and 357,314 as of June 30, 2019 and December 31, 2018, respectively, are excluded from the table above. (2) On January 1, 2019, the number of authorized shares in the 2016 Equity Incentive Plan increased by 384,045 shares pursuant to the evergreen provisions of the 2016 Equity Incentive Plan. (3) On January 1, 2019, the number of authorized shares in the 2016 Employee Stock Purchase Plan increased by 96,011 shares pursuant to the evergreen provisions of the 2016 Employee Stock Purchase Plan.

X
- Definition Schedule of common stock reserved for future issuance. + References No definition available. + Details
Name: | airg_ScheduleOfCommonStockReservedForFutureIssuanceTableTextBlock
Namespace Prefix: | airg_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_ClassOfStockDisclosuresAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration