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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) | Total | Common Stock | Additional Paid-in Capital | Treasury Stock | Accumulated Other Comprehensive Income | Accumulated Deficit | Total Kopin Corporation Stockholders' Equity | Noncontrolling interest
--- | --- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 27, 2008 | $ 141,394,455 | $ 718,732 | $ 310,241,805 | $ (14,552,865) | $ (168,303) | $ (157,757,433) | $ 138,481,936 | $ 2,912,519
Beginning Balance (in shares) at Dec. 27, 2008 |  | 71,873,228 |  |  |  |  |  |
Exercise of stock options (in shares) |  | 32,010 |  |  |  |  |  |
Exercise of stock options | 123,375 | 320 | 123,055 |  |  |  | 123,375 |
Vesting of restricted stock (in shares) |  | 555,604 |  |  |  |  |  |
Vesting of restricted stock |  | 5,556 | (5,556) |  |  |  |  |
Stock based compensation expense | 1,884,340 |  | 1,884,340 |  |  |  | 1,884,340 |
Net unrealized holding gain on marketable securities | 4,442,850 |  |  |  | 4,442,850 |  | 4,442,850 |
Foreign currency translation adjustments | 1,682,514 |  |  |  | 1,320,443 |  | 1,320,443 | 362,071
Cumulative effect adjustment as of March 29, 2009 related to non credit-related losses on investments recorded in operations |  |  |  |  | (1,773,712) | 1,773,712 |  |
Change in other-than-temporary impairment loss recorded in other comprehensive income (loss) | 735,535 |  |  |  | 735,535 |  | 735,535 |
Acquisition of KTC equity interest | 754,642 |  | (259,739) |  |  |  | (259,739) | 1,014,381
Restricted stock for tax withholding obligations (in shares) |  | (193,000) |  |  |  |  |  |
Restricted stock for tax withholding obligations | (686,123) | (1,930) | (684,193) |  |  |  | (686,123) |
Treasury stock purchase | (5,299,451) |  |  | (5,299,451) |  |  | (5,299,451) |
Net income | 19,270,153 |  |  |  |  | 19,443,370 | 19,443,370 | (173,217)
Ending Balance at Dec. 26, 2009 | 164,302,290 | 722,678 | 311,299,712 | (19,852,316) | 4,556,813 | (136,540,351) | 160,186,536 | 4,115,754
Ending Balance (in shares) at Dec. 26, 2009 |  | 72,267,842 |  |  |  |  |  |
Exercise of stock options (in shares) |  | 9,665 |  |  |  |  |  |
Exercise of stock options | 36,244 | 97 | 36,147 |  |  |  | 36,244 |
Vesting of restricted stock (in shares) |  | 419,838 |  |  |  |  |  |
Vesting of restricted stock |  | 4,198 | (4,198) |  |  |  |  |
Stock based compensation expense | 2,583,728 |  | 2,583,728 |  |  |  | 2,583,728 |
Net unrealized holding gain on marketable securities | (1,243,327) |  |  |  | (1,243,327) |  | (1,243,327) |
Foreign currency translation adjustments | 2,216,793 |  |  |  | 1,886,520 |  | 1,886,520 | 330,273
Change in other-than-temporary impairment loss recorded in other comprehensive income (loss) | 785,339 |  |  |  | 785,339 |  | 785,339 |
Acquisition of KTC equity interest | 248,900 |  | (72,882) |  |  |  | (72,882) | 321,782
Restricted stock for tax withholding obligations (in shares) |  | (126,510) |  |  |  |  |  |
Restricted stock for tax withholding obligations | (831,883) | (1,265) | (530,618) |  |  |  | (531,883) |
Treasury stock purchase | (6,728,507) |  |  | (6,728,507) |  |  | (6,728,507) |
Net income | 8,955,798 |  |  |  |  | 8,934,151 | 8,934,151 | 21,647
Ending Balance at Dec. 25, 2010 | 170,625,375 | 725,708 | 313,311,889 | (26,580,823) | 5,985,345 | (127,606,200) | 165,835,919 | 4,789,456
Ending Balance (in shares) at Dec. 25, 2010 |  | 72,570,835 |  |  |  |  |  |
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 |
Net unrealized holding gain on marketable securities | (971,148) |  |  |  | (971,148) |  | (971,148) |
Foreign currency translation adjustments | (1,368,829) |  |  |  | (1,121,011) |  | (1,121,011) | (247,818)
Change in other-than-temporary impairment loss recorded in other comprehensive income (loss) | 252,838 |  |  |  | 252,838 |  | 252,838 |
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 | 4,259,633 |  |  |  |  | 3,597,927 | 3,597,927 | 661,706
Ending Balance at Dec. 31, 2011 | $ 170,788,069 | $ 732,263 | $ 315,710,160 | $ (30,995,449) | $ 4,146,024 | $ (124,008,273) | $ 165,584,725 | $ 5,203,344
Ending Balance (in shares) at Dec. 31, 2011 |  | 73,226,258 |  |  |  |  |  |

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