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Note 15 - Industry Segments (Tables) | 12 Months Ended
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Dec. 31, 2014
Segment Reporting [Abstract] |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
Year ended December 31, (in thousands) |  | 201 4 |  |  | 201 3 |
Information Technology |  |  |  |  |  |  |  |
Revenue |  | $ | 4,188 |  |  | $ | 4,202 |
Operating loss |  |  | (1,879 | ) |  |  | (1,290 | )
Depreciation and amortization |  |  | 150 |  |  |  | 189 |
Capital expenditures |  |  | 190 |  |  |  | 174 |
Identifiable assets |  |  | 1,621 |  |  |  | 1,725 |
Industrial Products |  |  |  |  |  |  |  |
Revenue |  | $ | 10,398 |  |  | $ | 12,116 |
Operating income |  |  | 2,021 |  |  |  | 3,074 |
Depreciation and amortization |  |  | 243 |  |  |  | 240 |
Capital expenditures |  |  | 87 |  |  |  | 380 |
Identifiable assets |  |  | 5,357 |  |  |  | 6,716 |
Consolidated Segments |  |  |  |  |  |  |  |
Revenue |  | $ | 14,586 |  |  | $ | 16,318 |
Operating income |  |  | 142 |  |  |  | 1,784 |
Depreciation and amortization |  |  | 393 |  |  |  | 429 |
Capital expenditures |  |  | 277 |  |  |  | 554 |
Identifiable assets |  |  | 6,978 |  |  |  | 8,441 |
Year ended December 31, (in thousands) |  | 201 4 |  |  | 201 3 |
Consolidated segments operating income |  | $ | 142 |  |  | $ | 1,784 |
Corporate expenses |  |  | (1,323 | ) |  |  | (1,340 | )
Consolidated income (loss) from continuing operations |  | $ | (1,181 | ) |  | $ | 444 |
Depreciation and amortization |  |  |  |  |  |  |  |
Consolidated segments |  | $ | 393 |  |  | $ | 429 |
Corporate |  |  | 5 |  |  |  | 6 |
Consolidated |  | $ | 398 |  |  | $ | 435 |
Capital expenditures |  |  |  |  |  |  |  |
Consolidated segments |  | $ | 277 |  |  | $ | 554 |
Corporate |  |  | -- |  |  |  | 5 |
Consolidated |  | $ | 277 |  |  | $ | 559 |
Reconciliation of Assets from Segment to Consolidated [Table Text Block] |
As of December 31, (in thousands) |  | 201 4 |  |  | 201 3 |
Assets |  |  |  |  |  |  |  |
Consolidated segments identifiable assets |  | $ | 6,978 |  |  | $ | 8,441 |
Corporate |  |  | 2,227 |  |  |  | 2,186 |
Consolidated |  | $ | 9,205 |  |  | $ | 10,627 |

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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total assets from reportable segments to the entity's consolidated assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599 + Details
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