Note 13 - Segment Customers and Geographical Information (Details) - Segment Reporting (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 9,022us-gaap_Revenues	$ 8,770us-gaap_Revenues
Depreciation and amortization expense	245	206
Operating income (loss)	(542)us-gaap_OperatingIncomeLoss	(317)us-gaap_OperatingIncomeLoss
Impairment of investment	(175)	(312)
Otherincome, net	60us-gaap_NonoperatingIncomeExpense
Income taxes	1us-gaap_IncomeTaxExpenseBenefit	3us-gaap_IncomeTaxExpenseBenefit
Net loss	(658)us-gaap_NetIncomeLoss	(632)us-gaap_NetIncomeLoss
Expenditures for segment assets	119us-gaap_AdditionsToOtherAssetsAmount	216us-gaap_AdditionsToOtherAssetsAmount
Total assets	6,342us-gaap_AssetsNet	6,977us-gaap_AssetsNet
Intersegment Eliminations [Member] \| Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	(250)	(307)
Intersegment Eliminations [Member] \| Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	(250)	(307)
DPC [Member] \| Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	211	307
DPC [Member] \| Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	5,164	5,565
DPC [Member]
Segment Reporting Information [Line Items]
Revenues	4,953	5,258
Depreciation and amortization expense	68	45
Operating income (loss)	(623)	(183)
Expenditures for segment assets	76	163
Total assets	2,919	4,046
DPL [Member] \| Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	39
DPL [Member] \| Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	4,108	3,512
DPL [Member]
Segment Reporting Information [Line Items]
Revenues	4,069	3,512
Depreciation and amortization expense	177	161
Operating income (loss)	81	(134)
Expenditures for segment assets	43	53
Total assets	3,423	2,931
Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	$ 9,022	$ 8,770

Amount of significant additions in the period in other assets (current, noncurrent, or unclassified).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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Amount of net assets (liabilities).

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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No definition available.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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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

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