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Concentration of Credit Risk - Additional Information (Details) - Vendor	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
China
Concentration Risk [Line Items]
Number of vendors	2	2

X

- Definition

Number of vendors.

+ References

No definition available.

+ Details

Name:	airg_NumberOfVendors
Namespace Prefix:	airg_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

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_ConcentrationRiskLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementGeographicalAxis=country_CN
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: