401(K) And Other Defined Contribution Plans (Details) (USD $)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Matching contributions to employees	$ 246,000	$ 237,000
CyberOptics Ltd. [Member]
Defined Benefit Plan Disclosure [Line Items]
Matching contributions to employees	$ 35,000	$ 40,000

Amount of discretionary contributions made by an employer to a defined contribution plan.

No definition available.

Name:	us-gaap_DefinedContributionPlanEmployerDiscretionaryContributionAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration