Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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Aggregate number of common shares reserved for future issuance.

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Unrecognized cost of unvested share-based compensation awards.

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

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No definition available.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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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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Price of a single share of a number of saleable stocks of a company.

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Stock-based Compensation (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands							12 Months Ended
	Jul. 12, 2018	Jun. 12, 2018	Jun. 19, 2017	Jun. 12, 2017	May 19, 2017	Mar. 27, 2017	Dec. 31, 2018	Dec. 31, 2017	Jul. 31, 2015
Share price							$ 0.59	$ 0.72
Compensation cost not yet recognized							$ 577
Stock based compensation expense							$ 3,412	$ 3,715
Weighted average grant date fair value (in dollars per share)							$ 1.53	$ 4.62
Non Employees [Member]
Stock based compensation expense							$ 137	$ 137
Equity Incentive Plan 2018 [Member]
Number of shares authorized	1,000,000
Number of additional shares authorized	2,874,280
Common stock capital shares reserved for future issuance							1,849,569
Equity Incentive Plan 2015 [Member]
Number of shares authorized									2,000,000
Restricted Stock Units [Member]
Stock units granted (in shares)		62,912	60,000	12,820	17,885	40,000
Weighted average grant date fair value (in dollars per share)		$ 1.82	$ 6.00	$ 0.65	$ 6.99	$ 8.35