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Common Stock (Details Textual) - shares	1 Months Ended			12 Months Ended
	Mar. 24, 2016	Feb. 18, 2015	Jan. 31, 2014	Dec. 31, 2016	Dec. 31, 2015
Common Stock [Line Items]
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage			100.00%
Restricted Stock Units (RSUs) [Member]
Common Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period		15,000		372,040	0
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period	30,510			124,040	57,600
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage			75.00%
Restricted Stock Units (RSUs) [Member] | Officers And Key Employees [Member]
Common Stock [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period			112,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period			28,000
Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage			25.00%

X

- References

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- Definition

Percentage of employer's matching contributions to a defined contribution plan that vests in a given year.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ 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 (c)(2)(iii)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

+ 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 (c)(2)(iii)(2)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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