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Bank Loans (Details) - USD ($) |  |  |  |  |  |  |  |  | 1 Months Ended | 3 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 15, 2021 | Dec. 03, 2020 | Sep. 06, 2020 | Sep. 06, 2019 | Jan. 08, 2019 | Oct. 01, 2018 | Sep. 06, 2017 | Jun. 12, 2017 | Oct. 31, 2020 | Jul. 17, 2020 | Jan. 19, 2020 | Jul. 18, 2019 | Jan. 21, 2019 | Jun. 19, 2017 | Jun. 28, 2016 | Mar. 31, 2021 | Mar. 31, 2020 | Feb. 07, 2021 | Jan. 29, 2021 | Dec. 31, 2020 | Oct. 03, 2020 | Apr. 08, 2020
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,000,000 |  |  |  |  | $ 104,167 | $ 132,331 |  |  |
Maturity date |  |  |  |  |  |  |  |  | Oct. 30, 2021 |  |  |  |  |  |  | Aug. 17, 2020 |  |  |  |  |  |
Bears interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.10% |  |
Debt instrument term |  |  |  |  |  |  |  |  |  |  |  | 6 years |  |  |  |  |  |  |  |  |  |
Outstanding loan balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 236,498 |  |  |  | $ 124,400 |  |
Cathay United Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 263,250 | $ 263,250 |  | $ 263,250 | $ 263,250 |  |  |  |  |  |  |  | $ 263,250 |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Jun. 28, 2017 |  |  |  |  |  |  |
Bears interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.15% |  |  |  |  |  |  |
Debt instrument term |  |  | 1 year | 1 year |  | 1 year | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,383 | $ 1,378 |  |  |  |  |
Cathay United Loan Agreement [Member] | NT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  |  | $ 7,500,000 | $ 7,500,000 |  | $ 7,500,000 | $ 7,500,000 |  |  |  |  |  |  |  | $ 7,500,000 |  |  |  |  |  |  |
CTBC Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 702,000 |  |  |  |  |  |  | $ 351,000 |  | $ 702,000 | $ 702,000 | $ 702,000 |  | $ 351,000 |  |  |  |  |  |  |  |
Maturity date |  |  |  |  |  |  |  | Jan. 19, 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bears interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.68% |  |  |  |  |  |
Debt instrument term | 6 years |  |  |  |  |  |  | 1 year |  | 6 years | 6 years |  |  | 1 year |  |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,949 | $ 2,755 |  |  |  |  |
CTBC Bank [Member] | NT [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount | $ 20,000,000 |  |  |  |  |  |  | $ 10,000,000 |  | $ 20,000,000 | $ 20,000,000 | $ 20,000,000 |  | $ 10,000,000 |  |  |  |  |  |  |  |
Loan Agreement [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Received loan amount |  |  |  |  |  |  |  |  |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |
Regular interest rate, description |  |  |  |  |  |  |  |  |  |  |  |  | The Note executed in connection with the Loan Agreement bears an interest rate (the “Regular Interest Rate”) equal to the sum of one percent (1%) and the prime rate as published in the Wall Street Journal (the “Index”) and the accrued interest shall become payable each month from February 1, 2019. Pursuant to the Note, the Company shall pay the entire outstanding principal plus accrued unpaid interest on the Maturity Date and may prepay portion or all of the Note before the Maturity Date without penalty. If the Company defaults on the Note, the default interest rate shall become five percent (5%) plus the Regular Interest Rate. |  |  |  | On March 31, 2020, the Company extended the Loan Agreement with the same term for seven months, which is due on October 31, 2020. |  |  |  |  |
Exceeding amount |  |  |  |  | $ 500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cathay Bank [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank Loans (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Principal amount |  | $ 650,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt instrument term |  | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,927 | $ 13,740 |  |  |  |  |
Received loan amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 350,000 | $ 350,000
Outstanding loan balance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 650,000 |  |  |  |  |  |

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