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Medafor Matters (Details) - USD ($) shares in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Additional payment received for acquisition of outstanding shares |  | $ 891,000 | $ 530,000 | $ 15,400,000
Cost-method Investments, Realized Gain (Loss) |  | $ 891,000 |  |
Medafor Inc. [Member] |  |  |  |
Shares of common stock sold | 2.4 |  |  |

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