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Equity (Details Narrative) - USD ($) |  |  |  |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 07, 2017 | May 17, 2017 | May 27, 2016 | Dec. 31, 2015 | Oct. 04, 2013 | Jan. 31, 2018 | May 31, 2015 | Jun. 30, 2018 | Jun. 30, 2017 | Dec. 31, 2017 | Dec. 31, 2016
Ordinary shares, authorized |  |  |  |  |  |  |  | 100,000,000 |  | 100,000,000 |
Ordinary shares, value |  |  |  |  |  |  |  | $ 124,646,996 |  | $ 123,950,544 |
Exercise of stock options granted |  |  |  |  |  |  |  | 802,800 |  |  |
Common stock shares repurchase |  |  |  | $ 7,100,000 | $ 9,000,000 |  |  |  |  |  |
Common stock shares repurchase, shares |  |  |  | 1,402,448 |  |  |  |  |  |  |
Additional paid-in capital |  |  |  |  |  |  |  | $ 15,454,288 | $ 7,000,000 | 15,814,328 |
Retained earnings |  |  |  |  |  |  |  | $ (170,390,549) | 104,000 | $ (172,395,246) |
Stock option to purchase common stock |  |  |  |  |  |  |  | 200,000 |  |  |
Sharebased compensation |  |  |  |  |  |  |  | $ 312,000 | $ 247,000 |  |
Weighted average fair value of options granted |  |  |  |  |  |  |  |  | $ 0.59 |  |
Intrinsic value of stock options exercised |  |  |  |  |  |  |  | 72,000 |  |  |
Unrecognized compensation expense non-vested shares options expenses |  |  |  |  |  |  |  | $ 1,000,000 |  |  |
Weighted average remaining vesting period |  |  |  |  |  |  |  | 2 years 10 months 25 days |  |  |
Fair value of stock option vested |  |  |  |  |  |  |  | $ 200,000 | 0 |  |
Stock option vested, shares |  |  |  |  |  |  |  | 1,528,000 |  |  |
Issuance of common stock, shares |  |  |  |  |  |  | 2,102,484 | 50,000 |  |  |
Proceeds from issuance of common stock |  |  |  |  |  |  |  | $ 46,500 |  |  |
Administrative expense |  |  |  |  |  |  |  | $ 1,780,694 | 1,269,973 |  |
Stock option weighted average exercise price per shares |  |  |  |  |  |  |  | $ 1.11 |  | $ 1.14 |
Stock option weighted average remaining life |  |  |  |  |  |  |  | 3 years 4 months 24 days |  |  |
2013 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares description |  |  |  |  |  |  |  | On September 11, 2013, the Board of Directors of the Company adopted the 2013 Equity Incentive Plan, or the 2013 Plan, pursuant to which, the Company may offer up to five million ordinary shares as equity incentives to its directors, employees and consultants. |  |  |
Issaunace of restricted stock, shares |  |  |  |  |  |  |  |  |  |  |
2016 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Fair value of stock option grant date |  | $ 500,000 | $ 1,600,000 |  |  |  |  |  |  |  |
Stock option vested, shares |  |  |  |  |  |  |  |  |  | 250,000 |
2016 Equity Incentive Plan [Member] | Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |
Sharebased compensation |  |  |  |  |  |  |  | $ 202,000 | 227,000 |  |
Treasury Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Ordinary shares was canceled | 1,402,448 |  |  |  |  |  |  |  |  |  |
Employees and Consultants [Member] |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options granted |  |  |  |  |  | 529,004 |  |  |  |  |
Officers and Employees [Member] | 2013 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Issaunace of restricted stock, shares |  |  |  | 4,467,135 |  |  |  |  |  |  |
Officers and Employees [Member] | 2016 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Stock option to purchase common stock |  |  | 2,712,000 |  |  |  |  |  |  |  |
Employees and Directors [Member] |  |  |  |  |  |  |  |  |  |  |
Stock option to purchase common stock |  |  |  |  |  |  |  |  |  |  |
Employees and Directors [Member] | 2016 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Stock option to purchase common stock |  | 960,000 |  |  |  |  |  |  |  |  |
Employees and Directors [Member] | 2016 Equity Incentive Plan [Member] | Administrative Expenses [Member] |  |  |  |  |  |  |  |  |  |  |
Sharebased compensation |  |  |  |  |  |  |  | $ 88,000 | 20,000 |  |
Consultants [Member] | 2016 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Stock option to purchase common stock |  |  |  |  |  |  |  |  |  | 250,000 |
Non-employees [Member] |  |  |  |  |  |  |  |  |  |  |
Exercise of stock options granted |  |  |  |  |  |  |  | 50,000 |  |  |
Administrative expense |  |  |  |  |  |  |  |  | $ 22,000 | $ 96,000 |
Stock option weighted average exercise price per shares |  |  |  |  |  |  |  | $ 1.36 |  |  |
Stock option weighted average remaining life |  |  |  |  |  |  |  | 2 years 6 months 14 days |  |  |

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- Definition Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Gross number of share options (or share units) granted during the period. + References No definition available. + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. + References No definition available. + Details
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- Definition Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for fully vested and expected to vest options outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901 + Details
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