XML 13 R46.htm IDEA: XBRL DOCUMENT v2.4.0.6

SEGMENTS AND GEOGRAPHICAL INFORMATION (Details)	3 Months Ended
	Mar. 30, 2013	Mar. 31, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	100.00%	100.00%
Asia-Pacific
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	27.00%	19.00%
Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	63.00%	78.00%
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Percentage of total revenue	10.00%	3.00%

X

- Definition

Percentage of Total Revenue

+ References

No definition available.

+ Details

Name:	kopn_PercentageOfTotalRevenue
Namespace Prefix:	kopn_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration