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Consolidated Statements of Shareholders’ Equity and Redeemable Noncontrolling Interest (unaudited) - USD ($) | Total | Common Stock | Deferred Equity Compensation | Retained Earnings
--- | --- | --- | --- | ---
Beginning balance (shares) at Dec. 31, 2019 |  | 3,294,672 |  |
Beginning Balance at Dec. 31, 2019 | $ 192,855,681 | $ 95,853,477 | $ (20,331,890) | $ 117,334,094
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 18,749 |  |
Issuance of restricted stock grants |  | $ 2,048,386 | (2,048,386) |
Amortization of restricted stock grants | 3,793,978 |  | 3,793,978 |
Issuance of stock grants (in shares) |  | 23,640 |  |
Issuance of stock grants | 3,396,359 | $ 3,396,359 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 17,042 |  |
Issuance of common stock related to 401k plan match | 1,934,457 | $ 1,934,457 |  |
Shares withheld related to employee tax withholding (in shares) |  | (16,235) |  |
Shares withheld related to employee tax withholding | (1,574,307) | $ (1,574,307) |  |
Forfeiture of restricted stock grants (shares) |  | (15,325) |  |
Forfeiture of restricted stock grants |  | $ (2,850,712) | 2,850,712 |
Repurchase of common stock (shares) |  | (157,750) |  |
Repurchase of common stock | (18,646,982) | $ (18,646,982) |  |
Net income | 24,296,313 |  |  | 24,296,313
Ending balance (shares) at Sep. 30, 2020 |  | 3,164,793 |  |
Ending Balance at Sep. 30, 2020 | 206,055,499 | $ 80,160,678 | (15,735,586) | 141,630,407
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2019 | 14,178,824 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 2,045,619 |  |  |
Net subscriptions of consolidated funds | (4,097,088) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2020 | 8,036,117 |  |  |
Beginning balance (shares) at Jun. 30, 2020 |  | 3,212,924 |  |
Beginning Balance at Jun. 30, 2020 | 200,151,266 | $ 86,189,846 | (17,103,472) | 131,064,892
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 1,884 |  |
Issuance of restricted stock grants |  | $ 237,987 | (237,987) |
Amortization of restricted stock grants | 1,447,155 |  | 1,447,155 |
Issuance of common stock related to 401k plan match (in shares) |  | 5,323 |  |
Issuance of common stock related to 401k plan match | 645,349 | $ 645,349 |  |
Shares withheld related to employee tax withholding (in shares) |  | (803) |  |
Shares withheld related to employee tax withholding | (91,277) | $ (91,277) |  |
Forfeiture of restricted stock grants (shares) |  | (800) |  |
Forfeiture of restricted stock grants |  | $ (158,718) | 158,718 |
Repurchase of common stock (shares) |  | (53,735) |  |
Repurchase of common stock | (6,662,509) | $ (6,662,509) |  |
Net income | 10,565,515 |  |  | 10,565,515
Ending balance (shares) at Sep. 30, 2020 |  | 3,164,793 |  |
Ending Balance at Sep. 30, 2020 | 206,055,499 | $ 80,160,678 | (15,735,586) | 141,630,407
Beginning balance attributable to redeemable noncontrolling Interests at Jun. 30, 2020 | 9,571,722 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | (575,068) |  |  |
Net subscriptions of consolidated funds | (2,110,673) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2020 | $ 8,036,117 |  |  |
Beginning balance (shares) at Dec. 31, 2020 | 3,168,823 | 3,168,823 |  |
Beginning Balance at Dec. 31, 2020 | $ 184,080,753 | $ 80,810,946 | (14,748,118) | 118,017,925
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 68,589 |  |
Issuance of restricted stock grants |  | $ 10,854,951 | (10,854,951) |
Amortization of restricted stock grants | 5,167,059 |  | 5,167,059 |
Issuance of stock grants (in shares) |  | 3,681 |  |
Issuance of stock grants | 529,806 | $ 529,806 |  |
Issuance of common stock related to 401k plan match (in shares) |  | 364 |  |
Issuance of common stock related to 401k plan match | 59,542 | $ 59,542 |  |
Issuance of common stock related to employee stock purchase plan (in shares) |  | 3,568 |  |
Issuance of common stock related to employee stock purchase plan | 610,569 | $ 610,569 |  |
Shares withheld related to employee tax withholding (in shares) |  | (9,449) |  |
Shares withheld related to employee tax withholding | (1,518,612) | $ (1,518,612) |  |
Forfeiture of restricted stock grants (shares) |  | (19,097) |  |
Forfeiture of restricted stock grants |  | $ (3,247,627) | 3,247,627 |
Repurchase of common stock (shares) |  | (44,227) |  |
Repurchase of common stock | (7,543,901) | $ (7,543,901) |  |
Cash dividends paid | (9,529,292) |  |  | (9,529,292)
Net income | $ 56,200,986 |  |  | 56,200,986
Ending balance (shares) at Sep. 30, 2021 | 3,172,252 | 3,172,252 |  |
Ending Balance at Sep. 30, 2021 | $ 228,056,910 | $ 80,555,674 | (17,188,383) | 164,689,619
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2020 | 9,372,333 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | (563,960) |  |  |
Net subscriptions of consolidated funds | 3,431,181 |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2021 | 13,367,474 |  |  |
Beginning balance (shares) at Jun. 30, 2021 |  | 3,208,022 |  |
Beginning Balance at Jun. 30, 2021 | 209,906,535 | $ 86,888,594 | (19,229,825) | 142,247,766
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 812 |  |
Issuance of restricted stock grants |  | $ 142,636 | (142,636) |
Amortization of restricted stock grants | 2,058,064 |  | 2,058,064 |
Issuance of common stock related to 401k plan match (in shares) |  | 68 |  |
Issuance of common stock related to 401k plan match | 11,542 | $ 11,542 |  |
Issuance of common stock related to employee stock purchase plan (in shares) |  | 485 |  |
Issuance of common stock related to employee stock purchase plan | 85,195 | $ 85,195 |  |
Shares withheld related to employee tax withholding (in shares) |  | (4,967) |  |
Shares withheld related to employee tax withholding | (831,029) | $ (831,029) |  |
Forfeiture of restricted stock grants (shares) |  | (700) |  |
Forfeiture of restricted stock grants |  | $ (126,014) | 126,014 |
Repurchase of common stock (shares) |  | (31,468) |  |
Repurchase of common stock | (5,615,250) | $ (5,615,250) |  |
Cash dividends paid | (3,185,792) |  |  | (3,185,792)
Net income | $ 25,627,645 |  |  | 25,627,645
Ending balance (shares) at Sep. 30, 2021 | 3,172,252 | 3,172,252 |  |
Ending Balance at Sep. 30, 2021 | $ 228,056,910 | $ 80,555,674 | $ (17,188,383) | $ 164,689,619
Beginning balance attributable to redeemable noncontrolling Interests at Jun. 30, 2021 | 14,219,856 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 751,850 |  |  |
Net subscriptions of consolidated funds | (100,532) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Sep. 30, 2021 | $ 13,367,474 |  |  |

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