Employee Stock Compensation Plans (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Jun. 08, 2013
Share-based Payment Arrangement [Abstract]
Total shares available for awards in 2013 Plan, as amended				5,750,000
Outstanding options exercisable with option prices between $0.28 and $0.77 per share	4,373,000		5,223,160
Options granted at $0.28 per shareand $0.62 per share	150,000	100,000
Grant date fair value options granted	$ 23	$ 12
Options expired with exercise prices between $1.68 and $0.70 per share	1,000,160
Stock option compensation expense recorded	$ 88	$ 10
Unrecognized stock option compensation cost related to non-vested options	$ 572

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

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.

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Number of shares authorized for issuance under share-based payment arrangement.

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

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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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