v2.4.0.8

4. Lines of Credit (Details)	12 Months Ended
	Dec. 31, 2013
Linesof Credit Related Party [Abstract]
undefined	80,000,000

X

- Details

Name:	alrt_LinesofCreditRelatedPartyAbstract
Namespace Prefix:	alrt_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number options granted by entity, as incentive to grantor to two lines of credit provided for use by entity.

+ References

No definition available.

+ Details

Name:	alrt_OptionGrantedasConsiderationforLineofCredit
Namespace Prefix:	alrt_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration