Airgain, Inc. Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Schedule of Common Stock Reserved for Future Issuance (Details) - shares	Dec. 31, 2019	Dec. 31, 2018
Class Of Stock [Line Items]
Common stock, reserved for future issuance	2,238,000	2,021,000
Warrants Issued and Outstanding
Class Of Stock [Line Items]
Common stock, reserved for future issuance	51,000	51,000
Stock Option Awards Issued and Outstanding
Class Of Stock [Line Items]
Common stock, reserved for future issuance	1,600,000	1,407,000
Authorized for Grants under the 2016 Equity Incentive Plan
Class Of Stock [Line Items]
Common stock, reserved for future issuance	401,000	463,000
Authorized for grants under the 2016 Employee Stock Purchase Plan
Class Of Stock [Line Items]
Common stock, reserved for future issuance	186,000	100,000