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UNAUDITED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($) | Total | Preferred Stock | Common Stock | Treasury Stock Amount | Additional Paid in Capital | Retained Earnings | Accumulated Other Comprehensive Loss
--- | --- | --- | --- | --- | --- | --- | ---
Stockholders’ equity, beginning balance at Dec. 30, 2018 | $ 65,702,013 | $ 0 | $ 102,273 | $ (24,027) | $ 57,624,379 | $ 7,999,388 | $ 0
Stockholders’ equity, beginning balance (Accounting Standards Update 2016-02) at Dec. 30, 2018 | (200,607) |  |  |  |  | (200,607) |
Stockholders’ equity, beginning balance (in shares) at Dec. 30, 2018 |  |  | 10,227,247 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation | 320,084 |  |  |  | 320,084 |  |
Cancellation of restricted shares (in shares) |  |  | (2,250) |  |  |  |
Cancellation of restricted shares | 0 |  | $ (23) |  | 23 |  |
Exercise of common stock options and warrants (in shares) |  |  | 4,916 |  |  |  |
Exercise of common stock options and warrants | 0 |  | $ 49 |  | (49) |  |
Cash dividend declared | (3,068,847) |  |  |  |  | (3,068,847) |
Net income (loss) | 2,496,024 |  |  |  |  | 2,496,024 |
Stockholders’ equity, ending balance at Mar. 31, 2019 | 65,248,667 | 0 | $ 102,299 | (24,027) | 57,944,437 | 7,225,958 | 0
Stockholders’ equity, ending balance (in shares) at Mar. 31, 2019 |  |  | 10,229,913 |  |  |  |
Stockholders’ equity, beginning balance at Dec. 30, 2018 | 65,702,013 | 0 | $ 102,273 | (24,027) | 57,624,379 | 7,999,388 | 0
Stockholders’ equity, beginning balance (Accounting Standards Update 2016-02) at Dec. 30, 2018 | (200,607) |  |  |  |  | (200,607) |
Stockholders’ equity, beginning balance (in shares) at Dec. 30, 2018 |  |  | 10,227,247 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income (loss) | 10,505,023 |  |  |  |  |  |
Other comprehensive gain (loss) | 0 |  |  |  |  |  |
Stockholders’ equity, ending balance at Sep. 29, 2019 | 67,586,108 | 0 | $ 102,421 | (27,318) | 58,416,884 | 9,094,121 | 0
Stockholders’ equity, ending balance (in shares) at Sep. 29, 2019 |  |  | 10,242,114 |  |  |  |
Stockholders’ equity, beginning balance at Mar. 31, 2019 | 65,248,667 | 0 | $ 102,299 | (24,027) | 57,944,437 | 7,225,958 | 0
Stockholders’ equity, beginning balance (in shares) at Mar. 31, 2019 |  |  | 10,229,913 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation | 186,629 |  |  |  | 186,629 |  |
Exercise of common stock options and warrants (in shares) |  |  | (4,805) |  |  |  |
Exercise of common stock options and warrants | 0 |  | $ (48) |  | 48 |  |
Cash dividend declared | (3,068,974) |  |  |  |  | (3,068,974) |
Net income (loss) | 3,801,829 |  |  |  |  | 3,801,829 |
Stockholders’ equity, ending balance at Jun. 30, 2019 | 66,168,151 | 0 | $ 102,347 | $ (24,027) | 58,131,018 | 7,958,813 | 0
Stockholders’ equity, ending balance (in shares) at Jun. 30, 2019 |  |  | 10,234,718 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation |  |  |  |  | 244,450 |  |
Exercise of common stock options and warrants (in shares) |  |  | (7,396) | 3,291 |  |  |
Exercise of common stock options and warrants | (38,199) |  | $ (74) |  | (41,416) |  |
Cash dividend declared | (3,071,862) |  |  |  |  | (3,071,862) |
Net income (loss) | 4,207,170 |  |  |  |  | 4,207,170 |
Other comprehensive gain (loss) | 0 |  |  |  |  |  |
Stockholders’ equity, ending balance at Sep. 29, 2019 | 67,586,108 | 0 | $ 102,421 | $ (27,318) | 58,416,884 | 9,094,121 | 0
Stockholders’ equity, ending balance (in shares) at Sep. 29, 2019 |  |  | 10,242,114 |  |  |  |
Stockholders’ equity, beginning balance at Dec. 29, 2019 | 68,456,990 | 0 | $ 103,093 | (27,318) | 59,617,787 | 8,763,428 | 0
Stockholders’ equity, beginning balance (in shares) at Dec. 29, 2019 |  |  | 10,309,236 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation | 192,913 |  |  |  | 192,913 |  |
Cancellation of restricted shares (in shares) |  |  | (2,250) |  |  |  |
Cancellation of restricted shares | 0 |  | $ (23) |  | 23 |  |
Cash dividend declared | (3,092,771) |  |  |  |  | (3,092,771) |
Net income (loss) | 1,498,860 |  |  |  |  | 1,498,860 |
Stockholders’ equity, ending balance at Mar. 29, 2020 | 67,055,992 | 0 | $ 103,070 | (27,318) | 59,810,723 | 7,169,517 | 0
Stockholders’ equity, ending balance (in shares) at Mar. 29, 2020 |  |  | 10,306,986 |  |  |  |
Stockholders’ equity, beginning balance at Dec. 29, 2019 | 68,456,990 | 0 | $ 103,093 | (27,318) | 59,617,787 | 8,763,428 | 0
Stockholders’ equity, beginning balance (in shares) at Dec. 29, 2019 |  |  | 10,309,236 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Net income (loss) | (764,840) |  |  |  |  |  |
Other comprehensive gain (loss) | (154,482) |  |  |  |  |  |
Stockholders’ equity, ending balance at Sep. 27, 2020 | 64,034,756 | 0 | $ 103,170 | (27,318) | 60,238,267 | 3,875,119 | (154,482)
Stockholders’ equity, ending balance (in shares) at Sep. 27, 2020 |  |  | 10,317,018 |  |  |  |
Stockholders’ equity, beginning balance at Mar. 29, 2020 | 67,055,992 | 0 | $ 103,070 | (27,318) | 59,810,723 | 7,169,517 | 0
Stockholders’ equity, beginning balance (in shares) at Mar. 29, 2020 |  |  | 10,306,986 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation | 193,077 |  |  |  | 193,077 |  |
Share issuance cost (in shares) |  |  | 0 |  |  |  |
Share issuance cost | 10,000 |  | $ 0 |  | 10,000 |  |
Cash dividend declared | (515,349) |  |  |  |  | (515,349) |
Net income (loss) | (4,829,263) |  |  |  |  | (4,829,263) |
Other comprehensive gain (loss) | (171,723) |  |  |  |  |  |
Stockholders’ equity, ending balance at Jun. 28, 2020 | 61,722,734 | 0 | $ 103,070 | (27,318) | 59,993,800 | 1,824,905 | (171,723)
Stockholders’ equity, ending balance (in shares) at Jun. 28, 2020 |  |  | 10,306,986 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |
Share-based compensation | 244,567 |  |  |  | 244,567 |  |
Share issuance cost (in shares) |  |  | (10,032) |  |  |  |
Share issuance cost | 0 |  | $ (100) |  | 100 |  |
Cash dividend declared | (515,349) |  |  |  |  | (515,349) |
Net income (loss) | 2,565,563 |  |  |  |  | 2,565,563 |
Other comprehensive gain (loss) | 17,241 |  |  |  |  |  |
Stockholders’ equity, ending balance at Sep. 27, 2020 | $ 64,034,756 | $ 0 | $ 103,170 | $ (27,318) | $ 60,238,267 | $ 3,875,119 | $ (154,482)
Stockholders’ equity, ending balance (in shares) at Sep. 27, 2020 |  |  | 10,317,018 |  |  |  |

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