v3.20.2

Lines of Credit | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Linesof Credit Related Party [Abstract] |  |  |
Lines of Credit | 5. Lines of Credit As of June 30, 2020, the Company had two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Amount Outstanding | Accrued Interest | Total | Security | Purpose
Chairman and CEO | 1% per Month | $10,300,000 | Due on Demand | $ 10,200,673 | $ 6,175,119 | $ 16,375,792 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 2,096,318 | 4,096,318 | General Security over Assets | General Corporate Requirements
Total |  | $12,300,000 |  | $ 12,200,673 | $ 8,271,437 | $ 20,472,110 |  |
As of December 31, 2019, the Company had two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Principal Borrowed | Accrued Interest | Total Outstanding | Security | Purpose
Chairman and CEO | 1% per Month | $10,300,000 | Due on Demand | $ 9,757,325 | $5,576,997 | $15,334,322 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 1,976,385 | 3,976,385 | General Security over Assets | General Corporate Requirements
Total |  | $12,300,000 |  | $ 11,757,325 | $ 7,553,382 | $ 19,310,707 |  |
On December 11, 2019, the Company and the Chairman entered into an amendment agreement to increase the borrowing limit on the line of credit provided by the Chairman to the Company from $8,500,000 to $10,300,000. The terms of amounts to be advanced under the amendment are consistent with the line of credit. In connection with the line of credit, the Company granted the Chairman the option to acquire 120,000,000 shares of common of the Company at a price of $0.015 per share for a term of five years (note 7). | 4. Lines of credit On December 11, 2019, the Company and the Chairman entered into an amendment agreement to increase the borrowing limit on the line of credit provided by the Chairman to the Company from $8,500,000 to $10,300,000. The terms of amounts to be advanced under the amendment are consistent with the line of credit. In connection with the line of credit, the Company granted the Chairman the option to acquire 120,000,000 shares of common of the Company at a price of $0.015 per share for a term of five years (note 6). As of December 31, 2019, the Company has two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Principal Borrowed | Accrued Interest | Total Outstanding | Security | Purpose
Chairman and CEO | 1% per Month | $10,300,000 | Due on Demand | $ 9,757,325 | $5,576,997 | $15,334,322 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 1,976,385 | 3,976,385 | General Security over Assets | General Corporate Requirements
Total |  | $12,300,000 |  | $11,757,325 | $7,553,382 | $19,310,707 |  |
As of December 31, 2018, the Company has two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Principal Borrowed | Accrued Interest | Total Outstanding | Security | Purpose
Chairman and CEO | 1% per Month | $ 8,500,000 | Due on Demand | $ 9,024,235 | $ 4,501,030 | $13,525,265 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 1,736,385 | 3,736,385 | General Security over Assets | General Corporate Requirements
Total |  | $10,500,000 |  | $ 11,024,235 | $ 6,237,415 | $17,261,650 |  |
| 4. Lines of credit As of December 31, 2018, the Company has two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Principal Borrowed | Accrued Interest | Total Outstanding | Security | Purpose
Chairman and CEO | 1% per Month | $ 8,500,000 | Due on Demand | $ 9,024,235 | $ 4,501,030 | $13,525,265 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 1,736,385 | 3,736,385 | General Security over Assets | General Corporate Requirements
Total |  | $10,500,000 |  | $11,024,235 | $ 6,237,415 | $17,261,650 |  |
As of December 31, 2017, the Company has two lines of credit as follows:
Creditor | Interest Rate | Borrowing Limit | Repayment Terms | Principal Borrowed | Accrued Interest | Total Outstanding | Security | Purpose
Chairman and CEO | 1% per Month | $ 8,500,000 | Due on Demand | $ 8,398,249 | $ 3,453,208 | $11,851,457 | General Security over Assets | General Corporate Requirements
Wife of Chairman | 1% per Month | 2,000,000 | Due on Demand | 2,000,000 | 1,496,385 | 3,496,385 | General Security over Assets | General Corporate Requirements
Total |  | $10,500,000 |  | $10,398,249 | $ 4,949,593 | $15,347,842 |  |

X
- References No definition available. + Details
Name: | alrt_LinesOfCredit
Namespace Prefix: | alrt_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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