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Long-Term Investments (Details Textual) |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
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Aug. 15, 2018 | Nov. 02, 2018 | Jun. 30, 2019 | Dec. 31, 2018
Rgene [Member] |  |  |  |
Long-Term Investments (Textual) |  |  |  |
Percentage of common stock shares |  |  | 31.62% | 31.62%
BioFirst [Member] |  |  |  |
Long-Term Investments (Textual) |  |  |  |
Percentage of common stock shares |  |  | 15.88% | 15.84%
Sale of common stock, description | The Company subsequently purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of June 30, 2019 and December 31, 2018. | The Company subsequently purchased an aggregate of 200,000 and 366,200 shares of common stock of BHK at NT$10, equivalent to $0.33, and NT$50, equivalent $1.64, from one of directors of BHK and eleven shareholders of BHK, respectively. The percentage of ownership accordingly increased to 7.13% as of June 30, 2019 and December 31, 2018. |  | The Company sold 552,000 shares of common stock of BioHopeKing Corporation (the "BHK") at prices ranging from NT$25, equivalent $0.82, to NT$32, equivalent $1.05, to two directors of BHK and 25 individuals. As a result of the transactions, the Company recognized investment loss of $395,476 for the same period.

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- Definition Description of stock transaction which may include details of the offering (IPO, private placement), a description of the stock sold, percentage of subsidiary's or equity investee's stock sold, a description of the investors and whether the stock was issued in a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=108774443&loc=SL4569655-111683 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4573702-111684 + Details
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