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CONSOLIDATED STATEMENT OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Revenues:
Total revenues	$ 29,518,809	$ 24,465,005	$ 27,841,490
Research and development and other revenues	9,234,921	5,253,890	2,946,685
Expenses:
Cost of product revenues	20,901,538	15,831,441	18,118,418
Research and development-funded programs	4,216,161	4,892,066	3,364,658
Research and development-internal	9,132,969	12,553,237	15,515,057
Selling, general and administrative	21,316,459	27,210,849	20,541,244
Impairment of goodwill	331,344	1,417,470	600,086
Impairment of assets	0	2,526,669
Total expenses	55,898,471	64,431,732	58,139,463
Loss from operations	(26,379,662)	(39,966,727)	(30,297,973)
Non-operating (expense) income, net:
Interest income	543,759	640,059	775,626
Other income, net	225,617	855,106	247,291
Foreign Currency Transaction Gain (Loss), Unrealized	202,517	1,169,254	(1,068,059)
(Loss) gain on investments	(3,858,453)	2,849,816	2,000,000
Impairment of equity and cost investments	(331,344)	(1,417,470)	(600,086)
Total other income and expense	(2,886,560)	5,514,235	1,954,858
Loss before (provision) benefit for income taxes and net (income) loss of noncontrolling interest	(29,266,222)	(34,452,492)	(28,343,115)
Income Tax Expense (Benefit)	(108,000)	(30,000)	2,963,000
Net loss	(29,374,222)	(34,482,492)	(25,380,115)
Net (income) loss attributable to the noncontrolling interest	(132,030)	(51,050)	139,633
Net loss attributable to Kopin Corporation	$ (29,506,252)	$ (34,533,542)	$ (25,240,482)
Net loss per share:
Basic and diluted (in dollars per share)	$ (0.37)	$ (0.47)	$ (0.36)
Weighted average number of common shares outstanding:
Basic and diluted (in shares)	80,282,126	73,156,545	69,914,956
Product [Member]
Revenues:
Total revenues	$ 20,283,888	$ 19,211,115	$ 24,894,805
Expenses:
Cost of product revenues		15,831,441
Non-operating (expense) income, net:
Net loss attributable to Kopin Corporation		$ (34,533,542)

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