Share-Based Compensation (Detail Narratives) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense	$ 43	$ 48
Total unrecognized compensation cost related to nonvested share-based compensation arrangements granted	$ 210
Weighted-average period over which unrecognized compensation is expected to be recognized	1 year 9 months 18 days
Proceeds from exercise of stock options		$ 2
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock issued pursuant to option exercises (shares)		4,334
Stock options granted	36,000	507,000
Stock options expired	100,504	0
Stock options forfeited	0	5,068
Stock options outstanding, end of period	3,141,000	3,077,000
Weighted average exercise price	$ .73	$ .71

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Unrecognized cost of unvested options awarded to employees as compensation.

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- Definition

Amount of cash inflow from exercise of stock options granted under share-based compensation arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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- Definition

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.

+ References

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-Publisher FASB
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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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- Definition

Number of non-vested options outstanding.

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

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The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

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