Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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-URI https://asc.fasb.org/1943274/2147480870/815-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147482765/220-10-50-4

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-Topic 220
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-Name Accounting Standards Codification
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-Topic 830
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org/1943274/2147481674/830-30-50-1

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
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-Section 45
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-URI https://asc.fasb.org/1943274/2147481694/830-30-45-17

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-Topic 830
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-Topic 830
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-Topic 830
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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 718
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
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