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v3.21.1

Consolidated Statements of Changes in Equity - USD ($) | Class A Ordinary Share | Class B Ordinary Share | Additional paid-in capital | Statutory Reserve | (Accumulated Deficit) Retained earning | Accumulated other comprehensive (loss) income | Non-controlling interest | Total
--- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2017 | $ 1,475 | $ 550 | $ 8,380,337 |  | $ (3,383,093) | $ 208,353 | $ (10,002) | $ 5,197,620
Balance (in Shares) at Dec. 31, 2017 | 14,752,420 | 5,497,715 |  |  |  |  |  |
Capital contributions from shareholders | $ 135 |  | 3,580,125 |  |  |  |  | 3,580,260
Capital contributions from shareholders (in Shares) | 1,350,000 |  |  |  |  |  |  |
Reversal of share-based compensation expenses |  |  | (14,483) |  |  |  |  | (14,483)
Net income (loss) |  |  |  |  | 3,019,323 |  | (17,834) | 3,001,489
Appropriation of statutory reserve |  |  |  | 20,539 | (20,539) |  |  |
Foreign currency translation adjustments |  |  |  |  |  | (379,520) |  | (379,520)
Balance at Dec. 31, 2018 | $ 1,610 | $ 550 | 11,945,979 | 20,539 | (384,309) | (171,167) | (27,836) | 11,385,366
Balance (in Shares) at Dec. 31, 2018 | 16,102,420 | 5,497,715 |  |  |  |  |  |
Share-based compensation expenses |  |  | 159,984 |  |  |  |  | 159,984
Buy out of a non-controlling interests |  |  | (61,108) |  |  |  | 27,390 | (33,718)
Net income (loss) |  |  |  |  | 4,046,670 |  | (46,171) | 4,000,499
Appropriation of statutory reserve |  |  |  | 395,274 | (395,274) |  |  |
Foreign currency translation adjustments |  |  |  |  |  | (173,604) |  | (173,604)
Balance at Dec. 31, 2019 | $ 1,610 | $ 550 | 12,044,855 | 415,813 | 3,267,087 | (344,771) | (46,617) | 15,338,527
Balance (in Shares) at Dec. 31, 2019 | 16,102,420 | 5,497,715 |  |  |  |  |  |
Share-based compensation expenses |  |  | 168,350 |  |  |  |  | 168,350
Issuance of Class A Ordinary Shares pursuant to initial public offering, net of issuance costs | $ 332 |  | 10,609,851 |  |  |  |  | 10,610,183
Issuance of Class A Ordinary Shares pursuant to initial public offering, net of issuance costs (in Shares) | 3,315,003 |  |  |  |  |  |  |
Issuance of restricted Class A Ordinary Shares to non-executive directors | $ 2 |  | (2) |  |  |  |  |
Issuance of restricted Class A Ordinary Shares to non-executive directors (in Shares) | 18,000 |  |  |  |  |  |  |
Buy out of a non-controlling interests |  |  | (47,900) |  |  |  | 47,900 |
Net income (loss) |  |  |  |  | 4,458,380 |  | $ (1,283) | 4,457,097
Appropriation of statutory reserve |  |  |  | 385,689 | (385,689) |  |  |
Foreign currency translation adjustments |  |  |  |  |  | 1,259,984 |  | 1,259,984
Balance at Dec. 31, 2020 | $ 1,944 | $ 550 | $ 22,775,154 | $ 801,502 | $ 7,339,778 | $ 915,213 |  | $ 31,834,141
Balance (in Shares) at Dec. 31, 2020 | 19,435,423 | 5,497,715 |  |  |  |  |  |

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