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Consolidated Statements of Shareholders' Equity - USD ($) | Total | Common Stock [Member] Class A Common Stock [Member] | Common Stock [Member] Class B Common Stock [Member] | Additional Paid In Capital [Member] | Treasury Stock [Member] | Retained Earnings [Member] | Accumulated Other Comprehensive Income (Loss) [Member] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning balance at Dec. 31, 2018 | $ 275,034,091 | $ 15,334 | $ 16,662 | $ 149,963,252 | $ (30,447,597) | $ 155,398,555 | $ 87,885 | $ (66,582)
Beginning Balance, shares at Dec. 31, 2018 |  | 15,334,336 | 16,662,743 |  | (4,426,027) |  |  |
Change in accounting principle | (935,916) |  |  |  |  | (935,916) |  |
Issuance of common stock | 1,172,625 | $ 285 |  | 1,172,340 |  |  |  |
Issuance of common stock, shares |  | 285,296 |  |  |  |  |  |
Stock-based compensation | 2,118,718 | $ 185 |  | 2,118,533 |  |  |  |
Stock-based compensation, shares |  | 185,800 |  |  |  |  |  |
Adjustment from related party acquisition | 474 |  |  | 474 |  |  |  |
Purchase of treasury stock | (214,735) |  |  |  | $ (214,735) |  |  |
Purchase of treasury stock, shares |  |  |  |  | (67,154) |  |  |
Net income (loss) | 13,383,642 |  |  |  |  | 13,450,224 |  | (66,582)
Cash dividends, per common share | (5,562,718) |  |  |  |  | (5,562,718) |  |
Other comprehensive loss | (524,223) |  |  |  |  |  | (524,223) |
Ending balance at Dec. 31, 2019 | 284,471,958 | $ 15,804 | $ 16,662 | 153,254,599 | $ (30,662,332) | 162,350,145 | (436,338) |
Ending Balance, shares at Dec. 31, 2019 |  | 15,805,432 | 16,662,743 |  | (4,493,181) |  |  |
Issuance of common stock | 2,540,426 |  |  |  | $ 2,540,426 |  |  |
Issuance of common stock, shares |  |  |  |  | 1,276,596 |  |  |
Stock-based compensation | 750,670 | $ 126 |  | 750,544 |  |  |  |
Stock-based compensation, shares |  | 125,333 |  |  |  |  |  |
Adjustment from related party acquisition | (178) |  |  | (178) |  |  |  |
Purchase of treasury stock | $ (65,951) |  |  |  | $ (65,951) |  |  |
Purchase of treasury stock, shares | (37,106) |  |  |  | (37,106) |  |  |
Net income (loss) | $ (18,874,156) |  |  |  |  | (17,765,921) |  | (1,108,235)
Cash dividends, per common share | (1,398,321) |  |  |  |  | (1,398,321) |  |
Other comprehensive loss | (990,281) |  |  |  |  |  | (990,281) |
Noncontrolling interest created in consolidation | 667,653 |  |  |  |  | 118,310 |  | 549,343
Ending balance at Dec. 31, 2020 | $ 267,101,820 | $ 15,930 | $ 16,662 | $ 154,004,965 | $ (28,187,857) | $ 143,304,213 | $ (1,426,619) | $ (625,474)
Ending Balance, shares at Dec. 31, 2020 |  | 15,930,765 | 16,662,743 |  | (3,253,691) |  |  |

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