Share-Based Compensation - Unrecognized Stock Option Compensation Costs (Details) - USD ($)	6 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Share-Based Compensation
Vested during period (in shares)	0	0
Stock Options
Share-Based Compensation
Unrecognized compensation costs	$ 128,000
Stock Options \| Vesting period one
Share-Based Compensation
Unrecognized compensation costs, period of recognition	3 years
Vesting period	3 years
Stock Options \| Vesting period two
Share-Based Compensation
Unrecognized compensation costs, period of recognition	5 years
Vesting period	5 years
Stock Options \| Vesting period three
Share-Based Compensation
Unrecognized compensation costs, period of recognition	6 years
Vesting period	6 years

Unrecognized cost of unvested share-based compensation awards.

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=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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.

+ References

No definition available.

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- Definition

Number of options vested.

+ References

No definition available.

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