Note 13 - Segment Customers and Geographical Information (Details) - Segment Reporting (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenues	$ 8,770	$ 8,589
Depreciation and amortization expense	206	208
Operating income (loss)	(317)	(94)
Other expense, net	(312)	(233)
Income taxes	3	2
Net income (loss)	(632)	(329)
Expenditures for segment assets	216	154
Identifiable assets	6,977	6,932
Intersegment Eliminations [Member] | Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	(307)	(615)
Intersegment Eliminations [Member] | Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	(307)	(615)
DPC [Member] | Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	307	560
DPC [Member] | Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	5,565	5,637
DPC [Member]
Segment Reporting Information [Line Items]
Revenues	5,258	5,077
Depreciation and amortization expense	45	57
Operating income (loss)	(183)	(222)
Expenditures for segment assets	163	100
Identifiable assets	4,046	3,878
DPL [Member] | Intersegment Revenues [Member]
Segment Reporting Information [Line Items]
Revenues		55
DPL [Member] | Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	3,512	3,567
DPL [Member]
Segment Reporting Information [Line Items]
Revenues	3,512	3,512
Depreciation and amortization expense	161	151
Operating income (loss)	(134)	128
Expenditures for segment assets	53	54
Identifiable assets	2,931	3,054
Total Revenues [Member]
Segment Reporting Information [Line Items]
Revenues	$ 8,770	$ 8,589