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Summary of Significant Accounting Policies (Details) (USD $) | 3 Months Ended | 12 Months Ended |  | 12 Months Ended | 3 Months Ended | 12 Months Ended |  |  |  |  | 12 Months Ended |  | 12 Months Ended
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Dec. 28, 2013 | Sep. 28, 2013 | Jun. 29, 2013 | Mar. 30, 2013 | Dec. 29, 2012 | Sep. 29, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 28, 2013 | Dec. 29, 2012 | Dec. 31, 2011 | Dec. 25, 2010 | Dec. 28, 2013 Non-vested restricted common stock | Dec. 29, 2012 Non-vested restricted common stock | Dec. 31, 2011 Non-vested restricted common stock | Dec. 28, 2013 Stock options | Dec. 29, 2012 Stock options | Dec. 31, 2011 Stock options | Dec. 28, 2013 Minimum | Dec. 28, 2013 Maximum | Dec. 28, 2013 Period 1 | Dec. 28, 2013 Period 2 | Dec. 28, 2013 Period 3 | Dec. 28, 2013 Restricted stock display_units | Dec. 29, 2012 Restricted stock | Dec. 28, 2013 Phantom stock | Dec. 29, 2012 Phantom stock | Dec. 28, 2013 Restricted stock and phantom stock | Dec. 28, 2013 Restricted stock and phantom stock Period 1 | Dec. 28, 2013 Restricted stock and phantom stock Period 2 | Dec. 28, 2013 Restricted stock and phantom stock Period 3 | Mar. 14, 2013 Subsequent event Kowon | Dec. 28, 2013 Kowon | Dec. 29, 2012 Kowon | Dec. 28, 2013 Ikanos | Dec. 28, 2013 eMDT | Dec. 28, 2013 Accumulated Net Unrealized Investment Gain (Loss) | Dec. 28, 2013 Business Acquisition One | Dec. 28, 2013 Accumulated Other Comprehensive Income (Loss) | Dec. 28, 2013 Accumulated Translation Adjustment | Dec. 29, 2012 Scenario, Adjustment | Dec. 31, 2011 Scenario, Adjustment
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Asset, Useful Life |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Fiscal Year Duration |  |  |  |  |  |  |  |  | 52 weeks | 52 | 53 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Kopin's ownership percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 93.00% | 78.00% | (58.00%) | 51.00% |  |  |  |  |  |
Consideration transferred |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 3,700,000 |  |  |  |  |  |  |  |  |  |
Percentage of voting interests acquired |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15.00% |  |  |  |  |  |  |  |  |  |
Inventory, Net, Items Net of Reserve Alternative [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Raw materials | 1,441,569 |  |  |  | 2,540,497 |  |  |  | 1,441,569 | 2,540,497 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Work-in-process | 1,003,540 |  |  |  | 1,880,202 |  |  |  | 1,003,540 | 1,880,202 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Finished goods | 632,946 |  |  |  | 1,369,054 |  |  |  | 632,946 | 1,369,054 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Inventory | 3,078,055 |  |  |  | 5,789,753 |  |  |  | 3,078,055 | 5,789,753 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Useful life of property, plant and equipment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 years | 10 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warranty reserves | 700,000 |  |  |  | 0 |  |  |  | 700,000 | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Product warranty claims and reversals |  |  |  |  |  |  |  |  | 800,000 | 2,200,000 | 1,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation, beginning balance |  |  |  | 322,477 |  |  |  | 1,295,670 | 322,477 | 1,295,670 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accretion |  |  |  |  |  |  |  |  | 0 | 32,360 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Charges |  |  |  |  |  |  |  |  | 0 | (424,785) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Additional liabilities incurred |  |  |  |  |  |  |  |  | 6,958 | 43,211 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reclassified to non-current assets held for sale |  |  |  |  |  |  |  |  | 0 | (623,979) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Asset retirement obligation, ending balance | 329,435 |  |  |  | 322,477 |  |  |  | 329,435 | 322,477 | 1,295,670 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted Average Number of Shares Outstanding Reconciliation [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average common shares outstanding - basic (in shares) | 61,529,000 | 63,542,000 | 62,492,000 | 63,936,000 | 63,836,000 | 63,415,000 | 63,078,000 | 64,225,000 | 62,347,852 | 63,617,680 | 64,405,776 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Stock options and non-vested restricted common stock |  |  |  |  |  |  |  |  | 0 | 0 | 828,436 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average common shares outstanding - diluted (in shares) | 61,529,000 | 63,542,000 | 62,492,000 | 63,936,000 | 63,836,000 | 63,415,000 | 63,078,000 | 64,225,000 | 62,347,852 | 63,617,680 | 65,234,212 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Antidilutive securities excluded from computation of earnings per share |  |  |  |  |  |  |  |  | 3,582,998 | 3,266,728 | 2,175,859 |  | 3,024,148 | 2,283,048 | 613,934 | 558,850 | 983,680 | 1,561,925 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Nonvested common stock awards employment obligations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year | 2 years | 4 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation awards, number of shares of stock granted |  |  |  |  |  |  |  |  | 150,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 260,000 | 260,000 | 380,000 | 380,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Vesting period following the grant date |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10 days |  |  |  |  |  |  |  |  |  |  |  |  |  |
Threshold closing price of common stock for vesting |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6.00 | $ 7.00 | $ 5.25 |  |  |  |  |  |  |  |  |  |  |
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures |  |  |  |  |  |  |  |  | 300,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax | 2,524,701 |  |  |  | 3,542,104 |  |  |  | 2,524,701 | 3,542,104 | 1,319,870 | 2,440,881 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 200,000 |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent |  |  |  |  |  |  |  |  | (1,017,403) | 2,222,234 | (1,121,011) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax | 917,296 |  |  |  | 2,970,688 |  |  |  | 917,296 | 2,970,688 | 2,826,154 | 3,797,302 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent |  |  |  |  |  |  |  |  | (2,053,392) | 144,534 | (971,148) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Other than Temporary Impairment, Not Credit Loss, Net of Tax, Available-for-sale, Debt Securities | 0 |  |  |  | 0 |  |  |  | 0 | 0 | 0 | 252,838 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other than Temporary Impairment Losses, Investments, Portion in Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Available-for-sale Securities |  |  |  |  |  |  |  |  | 0 | 0 | (252,838) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax | 3,441,997 |  |  |  | 6,512,792 |  |  |  | 3,441,997 | 6,512,792 | 4,146,024 | 5,985,345 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent |  |  |  |  |  |  |  |  | (3,070,795) | 2,366,768 | (1,839,321) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Carrying value of long-lived assets excluding assets held for sale | 6,000,000 |  |  |  |  |  |  |  | 6,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax |  |  |  |  |  |  |  |  | (116,134) | 730,967 | (260,502) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (100,000) |  |  |  |  |
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax |  |  |  |  |  |  |  |  | (1,900,000) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (Loss) on Sale of Business |  |  |  |  |  |  |  |  | 33,452,176 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (1,600,000) |  |  |  |
Stockholders' Equity Attributable to Noncontrolling Interest | 9,939 |  |  |  | 6,352,230 |  |  |  | 9,939 | 6,352,230 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 355,300 |  |  |
Comprehensive Income (Loss), Net of Tax, Attributable to Parent |  |  |  |  |  |  |  |  | $ (6,555,083) | $ (15,995,162) | $ 1,240,043 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (0.6) | $ (0.1)
Market Condition |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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