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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY - USD ($) | Total | Series Angel Redeemable Convertible Preferred Shares [Member] | Series Pre-A Redeemable Convertible Preferred Shares [Member] | Series A Redeemable Convertible Preferred Shares [Member] | Ordinary Shares [Member] | Ordinary Shares [Member] Class A Ordinary Shares [Member] | Ordinary Shares [Member] Class A Ordinary Shares [Member] Series Angel Redeemable Convertible Preferred Shares [Member] | Ordinary Shares [Member] Class A Ordinary Shares [Member] Series Pre-A Redeemable Convertible Preferred Shares [Member] | Ordinary Shares [Member] Class A Ordinary Shares [Member] Series A Redeemable Convertible Preferred Shares [Member] | Ordinary Shares [Member] Class B Ordinary Shares [Member] | Subscriptions Receivable [Member] | Additional Paid-in Capital [Member] | Additional Paid-in Capital [Member] Series Angel Redeemable Convertible Preferred Shares [Member] | Additional Paid-in Capital [Member] Series Pre-A Redeemable Convertible Preferred Shares [Member] | Additional Paid-in Capital [Member] Series A Redeemable Convertible Preferred Shares [Member] | Treasury Stock [Member] | Accumulated other comprehensive income (loss) [Member] | Retained Earnings (Accumulated Deficit) [Member] | Retained Earnings (Accumulated Deficit) [Member] Class A Ordinary Shares [Member] | Total Shareholders' Equity of Yalla Group Limited [Member] | Non-controlling Interests [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2019 | $ 19,902,176 |  |  |  | $ 7,339 |  |  |  |  |  | $ (7,339) |  |  |  |  |  | $ 5,218 | $ 19,896,958 |  |  |
Balance, Shares at Dec. 31, 2019 |  |  |  |  | 73,393,941 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion of redeemable convertible preferred shares | (1,577,026) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,577,026) |  |  |
Net Income (loss) | 3,213,386 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,213,386 |  |  |
Dividend to shareholders | (9,010,045) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9,010,045) |  |  |
Re-designation of Ordinary Shares into Class A and Class B Ordinary Shares immediately prior to the completion of the initial public offering |  |  |  |  | $ (7,339) | $ 4,866 |  |  |  | $ 2,473 |  |  |  |  |  |  |  |  |  |  |
Re-designation of Ordinary Shares into Class A and Class B Ordinary Shares immediately prior to the completion of the initial public offering, Shares |  |  |  |  | (73,393,941) | 48,659,928 |  |  |  | 24,734,013 |  |  |  |  |  |  |  |  |  |  |
Issuance of Ordinary Shares upon initial public offering ("IPO"), net of issuance costs | 132,344,840 |  |  |  |  | $ 1,930 |  |  |  |  |  | $ 132,342,910 |  |  |  |  |  |  |  |  |
Issuance of Ordinary Shares upon initial public offering ("IPO"), net of issuance costs, Shares |  |  |  |  |  | 19,300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Conversion of Preferred Shares into Ordinary Shares |  | $ 287,907 | $ 3,570,201 | $ 23,621,628 |  |  | $ 496 | $ 992 | $ 3,636 |  |  |  | $ 287,411 | $ 3,569,209 | $ 23,617,992 |  |  |  |  |  |
Conversion of Preferred Shares into Ordinary Shares, Shares |  |  |  |  |  |  | 4,955,327 | 9,917,226 | 36,363,636 |  |  |  |  |  |  |  |  |  |  |  |
Contribution from ordinary shareholders | 7,339 |  |  |  |  |  |  |  |  |  | $ 7,339 |  |  |  |  |  |  |  |  |  |
Share-based compensation | 60,805,483 |  |  |  |  |  |  |  |  |  |  | 60,805,483 |  |  |  |  |  |  |  |  |
Unrealized holding gains on short-term investments, net of income taxes of US$3,498, US$541 and nil for the years ended December 31, 2020, 2021 and 2022, respectively | 10,496 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,496 |  |  |  |
Reclassification adjustment for gains on short-term investments realized in net income, net of income taxes | (10,496) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (10,496) |  |  |  |
Foreign currency translation adjustments, net of nil income taxes | 368,771 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 368,771 |  |  |  |
Balance at Dec. 31, 2020 | 233,534,660 |  |  |  |  | $ 11,920 |  |  |  | $ 2,473 |  | 220,623,005 |  |  |  |  | 373,989 | 12,523,273 | $ 11,920 | $ 233,534,660 |
Balance, Shares at Dec. 31, 2020 |  |  |  |  |  | 119,196,117 |  |  |  | 24,734,013 |  |  |  |  |  |  |  |  |  |  |
Net Income (loss) | 82,594,360 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 82,600,678 |  | 82,600,678 | $ (6,318)
Exercise of share options | 1,085,380 |  |  |  |  | $ 564 |  |  |  |  |  | 1,084,816 |  |  |  |  |  |  |  | 1,085,380 |
Exercise of share options, Shares |  |  |  |  |  | 5,647,551 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of shares | (25,419,808) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (25,419,808) |  |  |  | (25,419,808) |
Repurchase of shares, Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,903,205) |  |  |  |  |
Share-based compensation | 43,939,447 |  |  |  |  |  |  |  |  |  |  | 43,939,447 |  |  |  |  |  |  |  | 43,939,447 |
Unrealized holding gains on short-term investments, net of income taxes of US$3,498, US$541 and nil for the years ended December 31, 2020, 2021 and 2022, respectively | 1,622 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,622 |  |  | 1,622 |
Reclassification adjustment for gains on short-term investments realized in net income, net of income taxes | (1,622) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,622) |  |  | (1,622) |
Foreign currency translation adjustments, net of nil income taxes | 146,021 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 146,021 |  |  | 146,021 |
Balance at Dec. 31, 2021 | 335,880,060 |  |  |  |  | $ 12,484 |  |  |  | $ 2,473 |  | 265,647,268 |  |  |  | $ (25,419,808) | 520,010 | 95,123,951 |  | 335,886,378 | (6,318)
Balance, Shares at Dec. 31, 2021 |  |  |  |  |  | 124,843,668 |  |  |  | 24,734,013 |  |  |  |  |  | (1,903,205) |  |  |  |  |
Net Income (loss) | 79,037,845 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 79,756,797 |  | 79,756,797 | (718,952)
Exercise of share options | $ 2,069,029 |  |  |  |  | $ 872 |  |  |  |  |  | 2,068,157 |  |  |  |  |  |  |  | 2,069,029 |
Exercise of share options, Shares | 8,713,492 |  |  |  |  | 8,713,492 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchase of shares | $ (1,594,889) |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (1,594,889) |  |  |  | (1,594,889) |
Repurchase of shares, Shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (398,936) |  |  |  |  |
Share-based compensation | 26,690,970 |  |  |  |  |  |  |  |  |  |  | 26,690,970 |  |  |  |  |  |  |  | 26,690,970 |
Foreign currency translation adjustments, net of nil income taxes | (2,218,541) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (2,221,121) |  |  | (2,221,121) | 2,580
Balance at Dec. 31, 2022 | $ 439,864,474 |  |  |  |  | $ 13,356 |  |  |  | $ 2,473 |  | $ 294,406,395 |  |  |  | $ (27,014,697) | $ (1,701,111) | $ 174,880,748 |  | $ 440,587,164 | $ (722,690)
Balance, Shares at Dec. 31, 2022 |  |  |  |  |  | 133,557,160 |  |  |  | 24,734,013 |  |  |  |  |  | (2,302,141) |  |  |  |  |

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