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NOTE 13 - SEGMENT AND GEOGRAPHIC INFORMATION (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013
Net sales: | $ 21,924us-gaap_Revenues | $ 18,717us-gaap_Revenues
Operating income (loss): | 1,107us-gaap_OperatingIncomeLoss | (2,668)us-gaap_OperatingIncomeLoss
Identifiable assets: | 19,332us-gaap_Assets | 17,502us-gaap_Assets
US |  |
Net sales: | 2,104us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_USAMember | 2,331us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_USAMember
Operating income (loss): | 284us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = DAIO_USAMember | (1,595)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = DAIO_USAMember
Identifiable assets: | 7,215us-gaap_Assets / us-gaap_StatementGeographicalAxis = DAIO_USAMember | 6,229us-gaap_Assets / us-gaap_StatementGeographicalAxis = DAIO_USAMember
Europe |  |
Net sales: | 8,596us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 5,578us-gaap_Revenues / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Operating income (loss): | 274us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | (930)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Identifiable assets: | 3,689us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 3,701us-gaap_Assets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Rest Of World |  |
Net sales: | 11,224us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember | 10,808us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember
Operating income (loss): | 549us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember | (143)us-gaap_OperatingIncomeLoss / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember
Identifiable assets: | 8,428us-gaap_Assets / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember | 7,572us-gaap_Assets / us-gaap_StatementGeographicalAxis = DAIO_RestOfWorldMember
Germany |  |
Net sales: | 4,856us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_GermanyMember | 3,305us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_GermanyMember
China |  |
Net sales: | $ 2,733us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_ChinaMember | $ 3,041us-gaap_Revenues / us-gaap_StatementGeographicalAxis = DAIO_ChinaMember

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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