v3.22.1

Lines of Credit (Details 1) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Line of Credit Facility [Line Items] |  |
Borrowing Limit | $ 14,300,000 | $ 12,300,000
Principal Borrowed | 12,688,405 | 11,539,125
Accrued Interest | 1,320,428 | 374,967
Total Outstanding | $ 14,008,833 | $ 11,914,092
Chairman And C E O [Member] |  |
Line of Credit Facility [Line Items] |  |
Interest Rate | 1% per Month | 1% per Month
Borrowing Limit | $ 10,300,000 | $ 10,300,000
Repayment Terms | Due on Demand | Due on Demand
Principal Borrowed | $ 10,220,700 | $ 9,539,125
Accrued Interest | 1,208,582 | 314,967
Total Outstanding | $ 11,429,282 | $ 9,854,092
Security | General Security over Assets | General Security over Assets
Purpose | General Corporate Requirements | General Corporate Requirements
Wife Of Chairman [Member] |  |
Line of Credit Facility [Line Items] |  |
Interest Rate | 1% per Month | 1% per Month
Borrowing Limit | $ 4,000,000 | $ 2,000,000
Repayment Terms | Due on Demand | Due on Demand
Principal Borrowed | $ 2,467,705 | $ 2,000,000
Accrued Interest | 111,846 | 60,000
Total Outstanding | $ 2,579,551 | $ 2,060,000
Security | General Security over Assets | General Security over Assets
Purpose | General Corporate Requirements | General Corporate Requirements

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- References No definition available. + Details
Name: | ALRT_AccruedInterest
Namespace Prefix: | ALRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ALRT_BorrowingLimit
Namespace Prefix: | ALRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ALRT_InterestRate
Namespace Prefix: | ALRT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ALRT_PrincipalBorrowed
Namespace Prefix: | ALRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | ALRT_Purpose1
Namespace Prefix: | ALRT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ALRT_RepaymentTerms1
Namespace Prefix: | ALRT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | ALRT_Security1
Namespace Prefix: | ALRT_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | ALRT_TotalOutstanding
Namespace Prefix: | ALRT_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

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- Details
Name: | us-gaap_LineOfCreditFacilityAxis=ALRT_ChairmanAndCEOMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=ALRT_WifeOfChairmanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |