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Stockholders' Equity (Details) - Warrant [Member] - $ / shares	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Summary of all stock option plans
Number of Shares/Warrants, Options outstanding and exercisable, Beginning Balance	1,116,368	791,368
Warrants, Issued		325,000
Warrants, Expired/forfeited
Warrants, Exercised
Number of Shares/Warrants, Options outstanding and exercisable Ending Balance	1,116,368	1,116,368	791,368
Weighted Average Exercise Price, Options outstanding and exercisable, Beginning Balance	$ 10.18	$ 6.19
Weighted Average Exercise Price, Warrants Issued		20.00
Weighted Average Exercise Price, Warrants Expired/forfeited
Weighted Average Exercise Price, Warrants Exercised
Weighted Average Exercise Price, Options outstanding and exercisable, Ending Balance	$ 10.18	$ 10.18	$ 6.19
Weighted Average Remaining Contractual Life, Outstanding	2 years 8 months 5 days	3 years 8 months 5 days	5 years 1 month 16 days

X

- Definition

For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

+ 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)(iv)(3)-(4)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

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Weighted average price of options that were either forfeited or expired.

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-Publisher FASB
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-Topic 718
-SubTopic 10
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- Definition

Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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