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Bank Loans (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Short-term bank loans	$ 6,210,176	$ 6,584,664	$ 6,082,574
Debt instrument maturity date description	Mature on various dates from April 29, 2021 to September 14, 2021.
Weighted average interest rate, percentage	5.59%	6.56%	6.43%
Interest expenses	$ 400,000	$ 500,000	$ 500,000
Minimum [Member]
Borrowings, interest rate	4.95%
Maximum [Member]
Borrowings, interest rate	6.22%

X

- Definition

The average effective interest rate during the reporting period.

+ References

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Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

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Weighted average interest rate of debt outstanding.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

+ References

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Amount of borrowings from a bank classified as other, maturing within one year or operating cycle, if longer.

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