Stock Based Compensation (Details 1) - $ / shares	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Weighted average exercise price	$ 4.42	$ 2.50
Weighted average grant date fair value	$ 3.08	$ 1.21
Assumptions
Expected volatility		92.24%
Weighted average expected term (in years)	6 years 3 months 19 days	6 years 3 months 4 days
Risk-free interest rate		2.93%
Expected dividend yield	0.00%	0.00%
Minimum [Member]
Assumptions
Expected volatility	88.00%
Risk-free interest rate	1.68%
Maximum [Member]
Assumptions
Expected volatility	90.00%
Risk-free interest rate	2.31%

Assumptions

No definition available.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.

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- Definition

The risk-free interest rate assumption that is used in valuing an option on its own shares.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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- Definition

Change in the weighted average exercise price of options outstanding.

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No definition available.

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- Definition

Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
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