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v3.23.1

CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Operating activities: |  |  |
Net Income (loss) | $ 79,037,845 | $ 82,594,360 | $ 3,213,386
Adjustments to reconcile net income to net cash provided by operating activities |  |  |
Depreciation | 1,102,014 | 850,375 | 262,184
Amortization | 31,077 |  |
Reduction in the carrying amount of operating lease right-of-use assets | 829,069 | 926,678 |
Loss on disposal of property and equipment | 5,306 | 84,579 |
Investment income | (21,407) | (54,824) | (13,994)
Impairment loss | 705,428 | 0 |
Share-based compensation | 26,690,970 | 43,939,447 | 60,805,483
Changes in operating assets and liabilities: |  |  |
Prepayments and other current assets | (6,833,954) | (6,646,354) | (11,742,160)
Other assets | (2,612,479) |  |
Amounts due to a related party | 777,434 |  |
Accounts payable | 989,946 | 2,818,546 | 849,297
Deferred revenue | 10,986,282 | 11,611,376 | 7,348,953
Accrued expenses and other current liabilities | 8,856,672 | 8,794,349 | 4,069,530
Operating lease liabilities | (996,099) | (677,592) |
Net cash provided by operating activities | 119,548,104 | 144,240,940 | 64,792,679
Investing activities: |  |  |
Purchase of property and equipment | (1,571,070) | (1,488,753) | (1,029,654)
Purchase of intangible asset | (1,359,547) |  |
Prepayments of purchase of property and equipment | (13,393,876) |  |
Purchases of short-term investments | (29,566,642) | (20,972,246) | (3,661,847)
Proceeds from maturity of short-term investments | 6,424,215 | 18,870,732 | 4,451,035
Purchase of term deposits | (20,000,000) |  |
Proceeds from maturity of term deposits |  |  | 2,722,941
Payments of long-term investments | (2,984,849) | (1,768,455) |
Loans provided to a related party | (145,370) |  |
Repayment of loans provided to a related party | 141,086 |  |
Loans provided to a third party | (1,574,704) |  |
Repayment of loan provided to a third party | 1,464,408 |  |
Net cash provided by (used in) investing activities | (62,566,349) | (5,358,722) | 2,482,475
Financing activities: |  |  |
Proceeds from exercise of share options | 1,965,894 | 1,085,380 |
Repurchase of shares | (1,594,889) | (25,419,808) |
Proceeds from Initial Public Offering, net of underwriting commissions and discounts of US$9,632,500 |  |  | 135,117,436
Cash contribution from ordinary shareholders |  |  | 7,339
Payments of initial public offering costs |  | (226,537) | (2,346,059)
Payments of dividends |  |  | (9,010,045)
Net cash provided by (used in) financing activities | 371,005 | (24,560,965) | 123,768,671
Effect of foreign currency exchange rate changes on cash and cash equivalents | (1,581,525) | 281,067 | 536,835
Net increase in cash and cash equivalents | 55,771,235 | 114,602,320 | 191,580,660
Cash and cash equivalents at the beginning of the year | 351,485,602 | 236,883,282 | 45,302,622
Cash and cash equivalents at the end of the year | 407,256,837 | 351,485,602 | 236,883,282
Supplemental cash flow information: |  |  |
Income taxes paid | 2,350,510 | 1,758,448 | 849,773
Noncash investing and financing activities: |  |  |
Accrual of issuance costs in accrued expenses and other current liabilities |  |  | $ 226,537
Operating lease right-of-use assets acquired in operating lease | $ 2,082,819 | $ 2,159 |

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