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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) | Total | Common Stock | Additional Paid-in Capital | Treasury Stock | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit | Total Kopin Corporation Stockholders' Equity | Noncontrolling Interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Dec. 28, 2013 |  | 74,593,483 |  |  |  |  |  |
Beginning Balance at Dec. 28, 2013 | $ 134,563,186 | $ 745,935 | $ 320,511,458 | $ (42,442,932) | $ 3,441,997 | $ (147,703,212) | $ 134,553,246 | $ 9,939
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 36,750 |  |  |  |  |  |
Exercise of stock options |  | $ 368 | 137,445 |  |  |  | 137,812 |
Vesting of restricted stock (in shares) |  | 843,116 |  |  |  |  |  |
Vesting of restricted stock |  | $ 8,431 | (8,431) |  |  |  |  |
Stock-based compensation expense | 5,059,572 |  | 5,059,572 |  |  |  | 5,059,572 |
Other comprehensive income (loss) | (427,990) |  |  |  | (315,758) |  | (315,758) | (112,232)
Income Before Minority Interest Earnings And Equity Investments | (101,382) |  |  |  |  |  |  | (101,382)
Restricted stock for tax withholding obligations (in shares) |  | (290,142) |  |  |  |  |  |
Restricted stock for tax withholding obligations | (975,869) | $ (2,901) | (972,968) |  |  |  | (975,869) |
Treasury stock purchase | (298,619) |  |  | (298,619) |  |  | (298,619) |
Net income (loss) | (28,670,789) |  |  |  |  | (28,212,044) | (28,212,044) | (458,745)
Ending Balance (in shares) at Dec. 27, 2014 |  | 75,183,207 |  |  |  |  |  |
Ending Balance at Dec. 27, 2014 | 109,387,303 | $ 751,833 | 324,625,694 | (42,741,551) | 3,126,239 | (175,915,255) | 109,846,959 | (459,656)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 39,798 |  |  |  |  |  |
Exercise of stock options | 86,047 | $ 398 | 85,649 |  |  |  | 86,047 |
Vesting of restricted stock (in shares) |  | 1,226,992 |  |  |  |  |  |
Vesting of restricted stock |  | $ 12,270 | (12,270) |  |  |  |  |
Stock-based compensation expense | 3,373,479 |  | 3,373,479 |  |  |  | 3,373,479 |
Other comprehensive income (loss) | (2,446,600) |  |  |  | (2,388,148) |  | (2,388,148) | (58,452)
Income Before Minority Interest Earnings And Equity Investments | (411,661) |  | 445,344 |  | (33,683) |  |  | (411,663)
Business Combination, Consideration Transferred, Other |  |  |  |  |  |  |  | 2
Restricted stock for tax withholding obligations (in shares) |  | (370,354) |  |  |  |  |  |
Restricted stock for tax withholding obligations | (1,072,385) | $ (3,704) | (1,068,681) |  |  |  | (1,072,385) |
Net income (loss) | (14,843,067) |  |  |  |  | (14,693,416) | (14,693,416) | (149,651)
Ending Balance (in shares) at Dec. 26, 2015 |  | 76,079,643 |  |  |  |  |  |
Ending Balance at Dec. 26, 2015 | 94,484,779 | $ 760,797 | 326,558,527 | (42,741,551) | 771,774 | (190,608,671) | 94,740,875 | (256,096)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest | (256,096) |  |  |  |  |  |  |
Vesting of restricted stock (in shares) |  | 736,842 |  |  |  |  |  |
Vesting of restricted stock |  | $ 7,368 | (7,368) |  |  |  |  |
Stock-based compensation expense | 2,482,326 |  | 2,482,326 |  |  |  | 2,482,326 |
Other comprehensive income (loss) | 794,279 |  |  |  | 799,197 |  |  | (4,918)
Restricted stock for tax withholding obligations (in shares) |  | (175,542) |  |  |  |  |  |
Restricted stock for tax withholding obligations | (510,596) | $ (1,755) | (508,841) |  |  |  | (510,596) |
Net income (loss) | (23,031,145) |  |  |  |  | (23,434,116) | (23,434,116) | 402,971
Ending Balance (in shares) at Dec. 31, 2016 |  | 76,640,943 |  |  |  |  |  |
Ending Balance at Dec. 31, 2016 | 74,219,643 | $ 766,409 | $ 328,524,644 | $ (42,741,551) | $ 1,570,971 | $ (214,042,787) | $ 74,077,686 | $ 141,957
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest | $ 141,957 |  |  |  |  |  |  |

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