v2.4.0.8

5. Capital Stock (Details) - Compensation Cost of the Stock Options Granted (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Interest expense: |  |  |  |
Related parties |  |  |  | $ 2,616,602
Product development |  |  |  |
Unrelated parties | 1,499 |  | 4,497 | 1,749
Professional: |  |  |  |
Unrelated parties |  |  | 111,928 | 20,989
General and administrative: |  |  |  |
Related parties (in Shares) |  | 29,975 |  | 29,975
Unrelated parties | $ 5,996 |  | $ 63,959 | $ 16,616

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

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

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

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References No definition available. + Details
Name: | alrt_ShareBasedCompensationGeneralandAdministrativeUnrelatedParties
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References No definition available. + Details
Name: | alrt_ShareBasedCompensationInterestExpenseRelatedParties
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References No definition available. + Details
Name: | alrt_ShareBasedCompensationProductDevelopmentFeesUnrelatedParties
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References No definition available. + Details
Name: | alrt_ShareBasedCompensationProfessionalFeesUnrelatedParties
Namespace Prefix: | alrt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_InterestExpenseAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration