Share-Based Compensation (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted	$ 422		$ 422
Weighted-average period over which unrecognized compensation is expected to be recognized			1 year 9 months 18 days
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 64	$ 58	$ 179	$ 146
Stock options granted	0	0	547,500	570,500
Stock options excercise			36,000	63,999
Stock option excercise value	$ 16.00	$ 29.00	$ 16.00	$ 29.00
Stock options expired			130,500	188,504
Stock options forfeited			48,600	31,601
Stock options outstanding, end of period	3,747,400		3,747,400		3,415,000
Weighted average exercise price	$ 0.64		$ 0.64		$ 0.67

Weighted-average period over which cost not yet recognized is expected to be recognized for 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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Amount of cost to be recognized for option under share-based payment arrangement.

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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.

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

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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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Number of non-vested options outstanding.

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Per share or per unit amount of equity securities issued.

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

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Amount of noncash expense for option under share-based payment arrangement.

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