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NOTE 14 - SEGMENT AND GEOGRAPHIC INFORMATION (Details Narrative) | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Data Copy Limited |  |
Customer Contribution Revenue | 11.00% | 11.00%
Customer Contribution In Account Receivable | More than 10% |
Delphi |  |
Customer Contribution In Account Receivable | More than 10% |
Jabil |  |
Customer Contribution In Account Receivable | More than 10% |
Panasonic |  |
Customer Contribution In Account Receivable |  | More than 10%

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | DAIO_MajorCustomerContributionAccountsReceivable
Namespace Prefix: | DAIO_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | us-gaap_EntityWideRevenueMajorCustomerPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration