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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 | Stockholders' Equity, Total [Member]
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 25, 2010 |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  | 19,700 |  |  |  |  |  |  |
Exercise of stock options | $ 72,445 | $ 197 | $ 72,248 |  |  |  | $ 72,445 |  |
Vesting of restricted stock (in shares) |  | 897,953 |  |  |  |  |  |  |
Vesting of restricted stock |  | 8,980 | (8,980) |  |  |  |  |  |
Stock-based compensation expense | 3,361,948 |  | 3,361,948 |  |  |  | 3,361,948 |  |
Other comprehensive income (loss) | (2,087,139) |  |  |  | (1,839,321) |  | (1,839,321) | (247,818) |
Restricted stock for tax withholding obligations (in shares) |  | (262,230) |  |  |  |  |  |  |
Restricted stock for tax withholding obligations | (1,029,567) | (2,622) | (1,026,945) |  |  |  | (1,029,567) |  |
Treasury stock purchase | (4,414,626) |  |  | (4,414,626) |  |  | (4,414,626) |  |
Net income (loss) | 3,684,571 |  |  |  |  | 3,079,364 | 3,079,364 | 605,207 |
Ending Balance at Dec. 31, 2011 | 170,096,756 | 732,263 | 315,710,160 | (30,995,449) | 4,146,024 | (124,631,666) | 164,961,332 | 5,135,423 |
Ending Balance (in shares) at Dec. 31, 2011 |  | 73,226,258 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) |  |  |  |  |  |  |  |  |
Exercise of stock options | 0 |  |  |  |  |  | 0 |  |
Vesting of restricted stock (in shares) |  | 671,568 |  |  |  |  |  |  |
Vesting of restricted stock |  | 6,716 | (6,716) |  |  |  |  |  |
Stock-based compensation expense | 3,851,672 |  | 3,851,672 |  |  |  | 3,851,672 |  |
Other comprehensive income (loss) | 2,831,878 |  |  |  | 2,366,768 |  | 2,366,768 | 465,110 |
Acquisition of KTC (2010) and Ikanos (2012) and eMDT (2013) equity interest |  |  |  |  |  |  |  | 1,384,039 |
Stockholders' Equity Attributable to Noncontrolling Interest | 6,352,230 |  |  |  |  |  |  |  |
Restricted stock for tax withholding obligations (in shares) |  | (201,182) |  |  |  |  |  |  |
Restricted stock for tax withholding obligations | (628,634) | (2,013) | (626,621) |  |  |  | (628,634) |  |
Treasury stock purchase | (3,455,529) |  |  | (3,455,529) |  |  | (3,455,529) |  |
Net income (loss) | (18,994,272) |  |  |  |  | (18,361,930) | (18,361,930) | (632,342) |
Ending Balance at Dec. 29, 2012 | 155,085,910 | 736,966 | 318,928,495 | (34,450,978) | 6,512,792 | (142,993,595) | 148,733,680 | 6,352,230 |
Ending Balance (in shares) at Dec. 29, 2012 |  | 73,696,644 |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |  |
Exercise of stock options (in shares) | 0 |  |  |  |  |  |  |  |
Vesting of restricted stock (in shares) |  | 1,216,900 |  |  |  |  |  |  |
Vesting of restricted stock |  | 12,169 | (12,169) |  |  |  |  |  |
Stock-based compensation expense | 3,804,408 |  | 3,804,408 |  |  |  | 3,804,408 |  |
Other comprehensive income (loss) | (1,820,934) |  |  |  | (1,845,466) |  |  | 24,532 |
Proceeds from Sales of Business, Affiliate and Productive Assets | (4,253,680) |  |  |  | (1,580,629) |  |  | (2,673,051) |
Acquisition of KTC (2010) and Ikanos (2012) and eMDT (2013) equity interest | 200,198 |  |  |  |  |  |  | 200,198 |
Stockholders' Equity Attributable to Noncontrolling Interest | 9,939 |  | (1,020,130) |  | 355,300 |  | (664,830) | (2,997,570) | (3,662,400)
Restricted stock for tax withholding obligations (in shares) |  | (320,061) |  |  |  |  |  |  |
Restricted stock for tax withholding obligations | (1,192,346) | (3,200) | (1,189,146) |  |  |  | (1,192,346) |  |
Treasury stock purchase | (7,991,954) |  |  | (7,991,954) |  |  | (7,991,954) |  |
Net income (loss) | (5,606,016) |  |  |  |  | (4,709,616) | (4,709,616) | (896,400) |
Ending Balance at Dec. 28, 2013 | $ 134,563,186 | $ 745,935 | $ 320,511,458 | $ (42,442,932) | $ 3,441,997 | $ (147,703,211) | $ 134,553,247 | $ 9,939 |
Ending Balance (in shares) at Dec. 28, 2013 |  | 74,593,483 |  |  |  |  |  |  |

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