v2.4.0.8

7. Related Party Transactions (Details) - Related Party Transactions (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
DEVELOPMENT COSTS: |  |  |  |
Consulting services rendered by an individual who was a director and officer of the Company |  | $ 15,000 |  | $ 45,000
INTEREST EXPENSE: |  |  |  |
Promissory notes issued to relatives of the Chairman | 76,557 | 76,557 | 229,670 | 229,670
Lines of credit from the Chairman & Chief Executive Officer of the Company and his spouse | 151,774 | 108,707 | 417,551 | 286,740
Stock options granted to Chairman & Chief Executive Officer of the Company |  |  |  | 2,616,602
SELLING, GENERAL & ADMINISTRATIVE: |  |  |  |
Consulting services rendered by the Chairman of the Board & Chief Executive Officer | 47,400 | 47,400 | 142,200 | 142,200
Consulting services rendered by a member of the Board of Director in his capacity as management of the Company | 31,500 |  | 94,500 |
Stock options granted to non-executive members of the Board of Directors |  | $ 29,975 |  | $ 29,975

X
- Definition Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. + References No definition available. + Details
Name: | alrt_ConsultingServicesRenderedbyChairmanoftheBoardandChiefExecutiveOfficer
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. + References No definition available. + Details
Name: | alrt_ConsultingServicesRenderedbyDirectorandOfficer
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Professional and contract service expense includes cost reimbursements for support services related to contracted projects, outsourced management, technical and staff support. + References No definition available. + Details
Name: | alrt_ConsultingServicesRenderedbyMemberoftheBoardofDirector
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | alrt_DevelopmentCostsAbstract
Namespace Prefix: | alrt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | alrt_InterestExpenseAbstract0
Namespace Prefix: | alrt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of interest expense incurred during the period on a debt or other obligation to a related party. + References No definition available. + Details
Name: | alrt_InterestExpenseRelatedPartyLinesOfCreditFromChairmanAndRelativesOfChairman
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest expense incurred during the period on a debt or other obligation to a related party. + References No definition available. + Details
Name: | alrt_InterestExpenseRelatedPartyPromissoryNotesIssuedToRelativesOfChairman
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of interest expense incurred during the period on a debt or other obligation to a related party. + References No definition available. + Details
Name: | alrt_InterestExpenseRelatedPartyStockOptionsGrantedToChairmanOfTheCompany
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | alrt_SellingGeneralAdministrativeAbstract
Namespace Prefix: | alrt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of interest expense incurred during the period on a debt or other obligation to a related party. + References No definition available. + Details
Name: | us-gaap_InterestExpenseRelatedParty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration