Annual report pursuant to Section 13 and 15(d)

Cover
- Document and Entity Information
Financial Statements
Notes to Financial Statements
Accounting Policies
- Summary of Significant Accounting Policies (Policies)
Notes Tables
Notes Details

Stock-Based Compensation - Schedule of Stock Option Activity (Details)

v3.19.1

Stock-Based Compensation - Schedule of Stock Option Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Number of Options, Outstanding beginning balance	246,564	69,950
Number of Options, Granted	253,000	240,000
Number of Options, Exercised
Number of Options, Forfeited or Canceled	(125)	(63,386)
Number of Options, Outstanding ending balance	499,439	246,564
Number of Options, Exercisable	251,272	86,564
Weighted Average Exercise Price, Outstanding	$ 11.17	$ 12.07
Weighted Average Exercise Price, Granted	2.82	10.72
Weighted Average Exercise Price, Exercised
Weighted Average Exercise Price, Forfeited or Canceled	27.6	(10.46)
Weighted Average Exercise Price, Outstanding	6.94	11.17
Weighted Average Exercise Price, Exercisable	$ 8.49	$ 12.00
Weighted Average Remaining Contractual Life (in Years), Outstanding beginning	9 years 1 month 6 days	9 years
Weighted Average Remaining Contractual Life (in Years), Outstanding ending balance	9 years	9 years 1 month 6 days
Weighted Average Remaining Contractual Life (in Years), Exercisable	8 years 9 months 18 days	9 years
Average Intrinsic Value, Outstanding beginning balance
Average Intrinsic Value, Outstanding ending balance
Average Intrinsic Value, Exercisable ending balance

- Definition

Weighted Average Remaining Contractual Life (in Years), Outstanding ending balance.

+ References

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The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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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.

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

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- Definition

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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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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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.

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

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