Stock-Based Compensation (Details Narrative) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Number of stock options outstanding	781	879
Exercisable stock options	579
Aggregate intrinsic value of options	$ 0
Number of options exercised
Unrecognized compensation expense
2011 Incentive Plan [Member]
Number of shares available for grant

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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

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