XML 75 R55.htm IDEA: XBRL DOCUMENT
v3.7.0.1

NOTE 8 - CONTRACT ACCOUNTING (Schedule of billings in excess of costs and estimated earnings) (Details) - USD ($) | Dec. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Contract Accounting [Abstract] |  |
Billings and/or cash receipts on uncompleted contracts | $ 396,609 | $ 1,146,804
Less: Costs and estimated earnings recognized | (176,984) | (843,740)
Billings in excess of costs and estimated earnings on uncompleted contracts | $ 219,625 | $ 303,064

X
- Definition Costs and estimated earnings recognized. + References No definition available. + Details
Name: | duos_BillingsAndorCashReceiptsOnUncompletedContracts
Namespace Prefix: | duos_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | duos_ContractAccountingAbstract
Namespace Prefix: | duos_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Costs and estimated earnings recognized. + References No definition available. + Details
Name: | duos_LessCostsAndEstimatedEarningsRecognized
Namespace Prefix: | duos_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Liability attributable to (i) billings in excess of costs under the percentage of completion contract accounting method representing the difference between contractually invoiced amounts (billings) and revenue recognized based, for example, on costs incurred to estimated total costs at period end or (ii) contractually invoiced amounts (billings) in excess of costs incurred and accumulated under the completed contract accounting method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57807-111642 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57788-111642 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 35 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=68068069&loc=d3e57795-111642 + Details
Name: | us-gaap_BillingsInExcessOfCost
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant