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Significant Accounting Policies (Narrative) (Details) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Aug. 03, 2015 $ / shares shares | Dec. 31, 2011 USD ($) | Dec. 31, 2015 $ / shares shares | Aug. 02, 2015 shares | Dec. 31, 2014 $ / shares shares
Reverse stock split, description | 1-for-50 (1:50) reverse stock split of its common stock, par value $0.01 per share |  |  |  |
Conversion ratio of reverse stock split | 50 |  |  |  |
Common stock, shares authorized | shares | 670,000,000 |  | 670,000,000 | 445,000,000 | 670,000,000
Common stock, par value (in dollars per share) | $ / shares | $ 0.01 |  | $ 0.01 |  | $ 0.01
Patents [Member] |  |  |  |  |
Patents acquired | $ |  | $ 493,000 |  |  |

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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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- Definition Description of the reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of financial statements. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section C + Details
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