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NOTE 2 - PROVISION FOR BUSINESS RESTRUCTURING (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013
Reserve Balance Beginning | $ 873us-gaap_RestructuringReserve | $ 25us-gaap_RestructuringReserve
Restructuring Expense | 13us-gaap_RestructuringCharges | 1,183us-gaap_RestructuringCharges
Payments/Write-Offs | 698us-gaap_PaymentsForRestructuring | 335us-gaap_PaymentsForRestructuring
Reserve Balance Ending | 188us-gaap_RestructuringReserve | 873us-gaap_RestructuringReserve
EmployeeSeveranceMember | DownsizingUnitedStatesOperationsMember |  |
Reserve Balance Beginning | 230us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Restructuring Expense | (16)us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 457us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Payments/Write-Offs | 214us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 227us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Reserve Balance Ending | 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 230us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
EmployeeSeveranceMember | Downsizing foreign operations |  |
Reserve Balance Beginning | 372us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 25us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Restructuring Expense | 16us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 405us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Payments/Write-Offs | 371us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 58us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Reserve Balance Ending | 17us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 372us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Other costs | DownsizingUnitedStatesOperationsMember |  |
Reserve Balance Beginning | 240us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Restructuring Expense | 25us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 273us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Payments/Write-Offs | 94us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 33us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Reserve Balance Ending | 171us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember | 240us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = DAIO_UnitedStatesMember
Other costs | Downsizing foreign operations |  |
Reserve Balance Beginning | 31us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Restructuring Expense | (12)us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 48us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Payments/Write-Offs | 19us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | 17us-gaap_PaymentsForRestructuring / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember
Reserve Balance Ending | $ 0us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember | $ 31us-gaap_RestructuringReserve / us-gaap_RestructuringCostAndReserveAxis = us-gaap_OtherExpenseMember / us-gaap_StatementGeographicalAxis = us-gaap_ForeignCountryMember

X
- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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