Prepaid Expenses and Other Current Assets (Details) - USD ($)	Jun. 30, 2021	Dec. 31, 2020
Prepaid Expenses and Other Current Assets
Value added tax recoverable	$ 3,262,544	$ 5,498,400
Other receivables	2,698,071	3,875,800
Advance to suppliers	2,009,847	882,793
Others	995,450	1,816,233
Prepaid expenses and other current assets	$ 8,965,912	$ 12,073,226

Amount of other monetary assets, due within one year or the operating cycle, if longer.

No definition available.

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- Definition

Amount, after allowance, of receivables classified as other, due within one year or the operating cycle, if longer.

+ References

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- Definition

Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

+ References

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- References

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- Definition

Amount of consideration paid in advance for supplies that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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- Definition

Carrying amount as of the balance sheet date of value added taxes due either from customers arising from sales on credit terms, or as previously overpaid to tax authorities. For classified balance sheets, represents the current amount receivable, that is amounts expected to be collected within one year or the normal operating cycle, if longer.

+ References

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