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Schedule of Segment Reporting Information, by Segment (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2013
Revenues from external customers | $ 1,985 | $ 1,592 |
Earnings (loss) of equity accounted asset liquidation investments (net of tax of $0) | (30) | 802 |
Interest expense | 71 | 95 |
Depreciation and amortization | 118 | 121 |
Segment income (loss) | (915) | (1,000) |
Segment assets | 23,716 | 55,127 | 49,995
Asset Liquidation Segment [Member] |  |  |
Revenues from external customers | 1,985 | 1,392 |
Earnings (loss) of equity accounted asset liquidation investments (net of tax of $0) | (30) | 802 |
Other income | 0 | 0 |
Interest expense | 71 | 95 |
Depreciation and amortization | 118 | 121 |
Segment income (loss) | (471) | (587) |
Investment in equity accounted asset liquidation investees | 1,011 | 2,901 |
Segment assets | 19,212 | 20,297 |
Patent Licensing [Member] |  |  |
Revenues from external customers |  | 200 |
Earnings (loss) of equity accounted asset liquidation investments (net of tax of $0) | 0 | 0 |
Other income | 0 | 0 |
Interest expense | 0 | 0 |
Depreciation and amortization | 0 | 0 |
Segment income (loss) | (11) | 50 |
Investment in equity accounted asset liquidation investees | 0 | 0 |
Segment assets | 28 | 228 |
Segment Totals [Member] |  |  |
Revenues from external customers | 1,985 | 1,592 |
Earnings (loss) of equity accounted asset liquidation investments (net of tax of $0) | (30) | 802 |
Other income | 0 | 0 |
Interest expense | 71 | 95 |
Depreciation and amortization | 118 | 121 |
Segment income (loss) | (482) | (537) |
Investment in equity accounted asset liquidation investees | 1,011 | 2,901 |
Segment assets | $ 19,240 | $ 20,525 |

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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