Other Loans	3 Months Ended
Mar. 31, 2021
Debt Disclosure [Abstract]
Long-term Debt [Text Block]	Note 10 - Other Loans On May 4, 2020, the Company received loan proceeds in the amount of approximately $139,802 under the Paycheck Protection Program (“PPP”). The PPP, established as part of the Coronavirus Aid, Relief and Economic Security Act (“CARES Act”), provides for loans to qualifying businesses for amounts up to 2.5 times of the average monthly payroll expenses of the qualifying business. The loans and accrued interest are forgivable after eight weeks as long as the borrower uses the loan proceeds for eligible purposes, including payroll, benefits, rent and utilities, and maintains its payroll levels. The amount of loan forgiveness will be reduced if the borrower terminates employees or reduces salaries during the eight-week period. On June 5, 2020, Congress passed a new law that allowed current PPP borrowers can choose to extend the eight-week period to 24 weeks to use the funds, but cannot extended beyond December 31, 2020. The Company had used the loans for eligible purposes and on December 28, 2020, the Company submitted the forgiveness application to the bank. No interest had been accrued for on this loan as of March 31, 2021. The unforgiven portion of the PPP loan, if any, is payable over two years at an interest rate of 1% per annum, with a deferral of payments for the first six months. Diamond Bar intends to use the proceeds for purposes consistent with the PPP. On May 5, 2020, Diamond Bar was granted a loan from Cathay Bank in the aggregate amount of $176,294, pursuant to the Paycheck Protection Program (the “PPP”) under Division A, Title I of the CARES Act, which was enacted March 27, 2020. The Loan, which was in the form of a Note dated May 5, 2020 matures on May 5, 2022 and bears interest at a rate of 1.00% per annum, payable monthly commencing on May 5, 2020. Funds from the Loan may only be used for payroll costs, costs used to continue group health care benefits, mortgage payments, rent, utilities, and interest on other debt obligations. The Company intends to use the entire Loan amount for qualifying expenses. Under the terms of the PPP, certain amounts of the Loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. On June 5, 2020, Congress passed a new law that allowed current PPP borrowers can choose to extend the eight-week period to 24 weeks to use the funds, but cannot extended beyond December 31, 2020. The Company had used up all the PPP loan proceeds for qualifying purposes within 24 weeks, and is waiting for the forgiveness application from Cathay Bank. No interest had been accrued for on this loan as of March 31, 2021. The Company used up all the PPP loan proceeds within 24 weeks. On June 19, 2020, Diamond Bar was granted a U.S. Small Business Administration (SBA) loan in the aggregate amount of $150,000, pursuant to the Economic Injury Disaster Loan. The Loan, which was in the form of a promissory note dated June 19, 2020, matures on June 18, 2050 and bears interest at a rate of 3.75% per annum, payable monthly beginning 12 months from the date of the promissory note. Funds from the Loan may only be used for working capital. The loan was secured by all tangible and intangible property of the Diamond Bar. Interest of $6,036 had been accrued for on this loan as of March 31, 2021.

Note 10 - Other Loans

On May 4, 2020, the Company received loan proceeds in the amount of approximately $139,802 under the Paycheck Protection Program (“PPP”). The PPP, established as part of the Coronavirus Aid, Relief and Economic Security Act (“CARES Act”), provides for loans to qualifying businesses for amounts up to 2.5 times of the average monthly payroll expenses of the qualifying business. The loans and accrued interest are forgivable after eight weeks as long as the borrower uses the loan proceeds for eligible purposes, including payroll, benefits, rent and utilities, and maintains its payroll levels. The amount of loan forgiveness will be reduced if the borrower terminates employees or reduces salaries during the eight-week period. On June 5, 2020, Congress passed a new law that allowed current PPP borrowers can choose to extend the eight-week period to 24 weeks to use the funds, but cannot extended beyond December 31, 2020. The Company had used the loans for eligible purposes and on December 28, 2020, the Company submitted the forgiveness application to the bank. No interest had been accrued for on this loan as of March 31, 2021.

The unforgiven portion of the PPP loan, if any, is payable over two years at an interest rate of 1% per annum, with a deferral of payments for the first six months. Diamond Bar intends to use the proceeds for purposes consistent with the PPP.

On May 5, 2020, Diamond Bar was granted a loan from Cathay Bank in the aggregate amount of $176,294, pursuant to the Paycheck Protection Program (the “PPP”) under Division A, Title I of the CARES Act, which was enacted March 27, 2020. The Loan, which was in the form of a Note dated May 5, 2020 matures on May 5, 2022 and bears interest at a rate of 1.00% per annum, payable monthly commencing on May 5, 2020. Funds from the Loan may only be used for payroll costs, costs used to continue group health care benefits, mortgage payments, rent, utilities, and interest on other debt obligations. The Company intends to use the entire Loan amount for qualifying expenses. Under the terms of the PPP, certain amounts of the Loan may be forgiven if they are used for qualifying expenses as described in the CARES Act. On June 5, 2020, Congress passed a new law that allowed current PPP borrowers can choose to extend the eight-week period to 24 weeks to use the funds, but cannot extended beyond December 31, 2020. The Company had used up all the PPP loan proceeds for qualifying purposes within 24 weeks, and is waiting for the forgiveness application from Cathay Bank. No interest had been accrued for on this loan as of March 31, 2021.

The Company used up all the PPP loan proceeds within 24 weeks.

On June 19, 2020, Diamond Bar was granted a U.S. Small Business Administration (SBA) loan in the aggregate amount of $150,000, pursuant to the Economic Injury Disaster Loan. The Loan, which was in the form of a promissory note dated June 19, 2020, matures on June 18, 2050 and bears interest at a rate of 3.75% per annum, payable monthly beginning 12 months from the date of the promissory note. Funds from the Loan may only be used for working capital. The loan was secured by all tangible and intangible property of the Diamond Bar. Interest of $6,036 had been accrued for on this loan as of March 31, 2021.