Stock-based Compensation (Details) - Restricted Stock Units (RSUs) [Member]	6 Months Ended
Jun. 30, 2017 USD ($) $ / shares shares
Shareholders Equity [Line Items]
Number of Options, Outstanding Beginning Balance \| shares	4,000
Number of Options, Granted \| shares	21,000
Number of Options, Vested \| shares	(13,000)
Number of Options, Forfeited \| shares	0
Number of Options, Outstanding Ending Balance \| shares	12,000
Weighted Average Grant-Date Fair Value, Outstanding Beginning Balance \| $ / shares	$ 2.25
Weighted Average Grant-Date Fair Value, Granted \| $ / shares	3.48
Weighted Average Grant-Date Fair Value, Vested \| $ / shares	3.07
Weighted Average Grant-Date Fair Value, Forfeited \| $ / shares	0
Weighted Average Grant-Date Fair Value, Outstanding Ending Balance \| $ / shares	$ 3.54
Intrinsic Value, Outstanding, Outstanding Beginning Balance \| $	$ 0
Intrinsic Value, Granted \| $	0
Intrinsic Value, Vested \| $	0
Intrinsic Value, Forfeited \| $	0
Intrinsic Value, Outstanding, Outstanding Ending Balance \| $	$ 4,000

Weighted average intrinsic value of equity-based compensation awards forfeited. Excludes stock and unit options.

No definition available.

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Weighted average intrinsic value of equity-based compensation awards granted. Excludes stock and unit options.

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No definition available.

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Weighted average intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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No definition available.

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Weighted average intrinsic value of equity-based compensation awards vested. Excludes stock and unit options.

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- Definition

The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited 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)(1)(iv)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event.

+ 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)(3)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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=96867065&loc=d3e5070-113901

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

+ 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)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units.

+ 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)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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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=96867065&loc=d3e5070-113901

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The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement.

+ 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=96867065&loc=d3e5070-113901

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- Definition

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

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No definition available.

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Stock-based Compensation (Details) - Restricted Stock Units (RSUs) [Member]	6 Months Ended
	Jun. 30, 2017 USD ($) $ / shares shares
Shareholders Equity [Line Items]
Number of Options, Outstanding Beginning Balance \| shares	4,000
Number of Options, Granted \| shares	21,000
Number of Options, Vested \| shares	(13,000)
Number of Options, Forfeited \| shares	0
Number of Options, Outstanding Ending Balance \| shares	12,000
Weighted Average Grant-Date Fair Value, Outstanding Beginning Balance \| $ / shares	$ 2.25
Weighted Average Grant-Date Fair Value, Granted \| $ / shares	3.48
Weighted Average Grant-Date Fair Value, Vested \| $ / shares	3.07
Weighted Average Grant-Date Fair Value, Forfeited \| $ / shares	0
Weighted Average Grant-Date Fair Value, Outstanding Ending Balance \| $ / shares	$ 3.54
Intrinsic Value, Outstanding, Outstanding Beginning Balance \| $	$ 0
Intrinsic Value, Granted \| $	0
Intrinsic Value, Vested \| $	0
Intrinsic Value, Forfeited \| $	0
Intrinsic Value, Outstanding, Outstanding Ending Balance \| $	$ 4,000