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NOTE 11 - STOCK AND RETIREMENT PLANS (Details Narrative) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012
Note 11 - Stock And Retirement Plans Details Narrative |  |
401(k) Retirement Savings Plan matching contribution | $ 157,000 | $ 166,000

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- Details
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Namespace Prefix: | DAIO_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Amount of discretionary contributions made by an employer to a defined contribution plan. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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