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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, 2017 |  | 3,470,428 |  |
Beginning Balance at Dec. 31, 2017 | $ 172,443,820 | $ 118,209,111 | $ (19,134,963) | $ 73,369,672
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 32,050 |  |
Issuance of restricted stock grants |  | $ 6,755,108 | (6,755,108) |
Amortization of restricted stock grants | 1,378,923 |  | 1,378,923 |
Issuance of stock grants (shares) |  | 20,153 |  |
Issuance of stock grants | 4,109,197 | $ 4,109,197 |  |
Issuance of common stock related to 401k plan match (shares) |  | 2,253 |  |
Issuance of common stock related to 401k plan match | 472,779 | $ 472,779 |  |
Shares withheld related to employee tax withholding (shares) |  | (2,427) |  |
Shares withheld related to employee tax withholding | (501,564) | $ (501,564) |  |
Forfeiture of restricted stock grants (shares) |  | (3,500) |  |
Forfeiture of restricted stock grants |  | $ (603,400) | 603,400 |
Net income | 12,989,461 |  |  | 12,989,461
Ending balance (shares) at Mar. 31, 2018 |  | 3,518,957 |  |
Ending Balance at Mar. 31, 2018 | 190,892,616 | $ 128,441,231 | (23,907,748) | 86,359,133
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2017 | 20,076,806 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | (47,332) |  |  |
Net subscriptions of consolidated funds | 5,186,193 |  |  |
Net consolidations (deconsolidations) of Company sponsored investments | 16,444,640 |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Mar. 31, 2018 | $ 41,660,307 |  |  |
Beginning balance (shares) at Dec. 31, 2018 | 3,470,428 | 3,499,285 |  |
Beginning Balance at Dec. 31, 2018 | $ 195,575,943 | $ 124,933,060 | (22,008,054) | 92,650,937
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |
Issuance of restricted stock grants (shares) |  | 24,875 |  |
Issuance of restricted stock grants |  | $ 3,859,300 | (3,859,300) |
Amortization of restricted stock grants | 1,521,974 |  | 1,521,974 |
Issuance of stock grants (shares) |  | 24,048 |  |
Issuance of stock grants | 3,655,296 | $ 3,655,296 |  |
Issuance of common stock related to 401k plan match (shares) |  | 4,286 |  |
Issuance of common stock related to 401k plan match | 632,050 | $ 632,050 |  |
Forfeiture of restricted stock grants (shares) |  | (4,250) |  |
Forfeiture of restricted stock grants |  | $ (688,606) | 688,606 |
Repurchase of common stock (shares) |  | (53,645) |  |
Repurchase of common stock | (7,907,055) | $ (7,907,055) |  |
Net income | $ 16,932,642 |  |  | 16,932,642
Ending balance (shares) at Mar. 31, 2019 | 3,494,599 | 3,494,599 |  |
Ending Balance at Mar. 31, 2019 | $ 210,410,850 | $ 124,484,045 | $ (23,656,774) | $ 109,583,579
Beginning balance attributable to redeemable noncontrolling Interests at Dec. 31, 2018 | 62,679,687 |  |  |
Increase (Decrease) in Temporary Equity [Roll Forward] |  |  |  |
Net Income Attributable to Redeemable Noncontrolling Interest | 2,623,205 |  |  |
Net subscriptions of consolidated funds | (1,728,877) |  |  |
Net consolidations (deconsolidations) of Company sponsored investments | (27,324,561) |  |  |
Ending balance attributable to redeemable noncontrolling Interests at Mar. 31, 2019 | $ 36,249,454 |  |  |

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- Definition Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 4.E) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74512-122707 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(31)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
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Period Type: | instant