v3.21.1

Principles of Consolidation - Schedule of Carrying Amount of Assets and Liabilities Related to Variable Interest Entity (Details) - USD ($)	Mar. 31, 2021	Dec. 31, 2020
Accounts receivable - related parties, net	$ 14,974,413	$ 9,045,669
Property and equipment, net	506,001	516,921
Operating lease right of use assets	317,881	333,402
Total assets of VIE and its subsidiary	61,929,461	58,446,662
Short-term borrowings	9,160,579	8,979,899
Operating lease liability, current and noncurrent	325,257	357,885
Long-term deferred income	1,167,548	1,172,928
Total liabilities of VIE and its subsidiary	13,786,643	12,964,094
Variable Interest Entity, Primary Beneficiary [Member]
Cash	104,687	549,771
Accounts receivable	250,000	250,000
Accounts receivable - related parties, net	14,974,413	9,045,669
Other current assets	3,982,376	5,418,495
Property and equipment, net	474,075	483,139
Long-term investment in an affiliate	4,306,238	4,172,550
Land use rights and yew forest assets, net	41,423,561	41,952,483
Operating lease right of use assets	232,192	236,833
Total assets of VIE and its subsidiary	65,747,542	62,108,940
Accounts payable for acquisition of yew forests and others	1,073,075	389,028
Accounts payable for acquisition of yew forests and others - related parties	42,665
Other current liabilities	193,900	272,297
Short-term borrowings	9,142,579	8,899,979
Operating lease liability, current and noncurrent	237,790	259,686
Long-term deferred income	1,167,548	1,172,928
Due to related parties and VIE holding companies	105,488	97,461
Total liabilities of VIE and its subsidiary	$ 11,963,045	$ 11,091,379

Accounts payable for acquisition of yew forests and other to related parties.

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