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Cash, Cash Equivalents, Short-Term Investments and Long-Term Investments (Details Textual) - USD ($) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2016 | Dec. 31, 2015
Cash Cash Equivalents Short Term Investments and Long Term Investments (Textual) |  |
Interest income | $ 18,481 | $ 9,221

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- Definition Cash cash equivalents short term investments and long term investments textual. + References No definition available. + Details
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- Definition Amount before accretion (amortization) of purchase discount (premium) of interest income on nonoperating securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.7(b)) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
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