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NOTE 1 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Cash and cash equivalents held in foreign banks $ 6,739us-gaap_Cash $ 8,345us-gaap_Cash
Sales return reserves 55us-gaap_RevenueRecognitionSalesReturnsReserveForSalesReturns 50us-gaap_RevenueRecognitionSalesReturnsReserveForSalesReturns
Advertising expenses 78us-gaap_AdvertisingExpense 152us-gaap_AdvertisingExpense
Common stock equivalent shares 122,000DAIO_CommonStockEquivalentShares 0DAIO_CommonStockEquivalentShares
Options excluded from the computation of diluted EPS 361,161us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 904,656us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Foreign accounts receivable $ 1,208DAIO_ForeignAccountsReceivable $ 886DAIO_ForeignAccountsReceivable
Avnet    
Major customer contribution Accounts Receivable   12.00%DAIO_MajorCustomerContributionAccountsReceivable
/ us-gaap_MajorCustomersAxis
= DAIO_AvnetMember