Share-based Compensation Plans (Schedule of Nonvested Options Activity) (Details) - $ / shares	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Number of Options
Nonvested options outstanding	192,089
Granted	30,000	192,089
Vested	(38,414)
Forfeited
Nonvested options outstanding	183,675	192,089
Weighted Average Grant Date Fair Value
Nonvested options outstanding	$ 3.40
Granted	2.90	3.40
Vested	3.40
Forfeited
Nonvested options outstanding	$ 3.32	$ 3.40

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

No definition available.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (d)(1)
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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- Definition

Number of non-vested options outstanding.

+ References

No definition available.

+ Details

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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- Definition

Number of non-vested options forfeited.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of non-vested options forfeited.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of non-vested options outstanding.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Number of options vested.

+ References

No definition available.

+ Details

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- Definition

Weighted average grant-date fair value of options vested.

+ References

No definition available.

+ Details

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