Equity Plan (Details Textual) - USD ($) $ in Millions		6 Months Ended
Jun. 14, 2018	Jun. 30, 2019
Equity Plan (Textual) [Abstract]
Equity plan increase in common shares reserved for issuance (in shares)	1,250,000
Common shares reserved and available for future issuance (in shares)		1,033,175
Share-based compensation arrangement by share-based payment award, equity instruments other than options, grants in period		548,419
Share-based compensation arrangement by share-based payment award, time-based, grants in period		135,920
Share-based compensation arrangement by share-based payment award, performance-based, grants in period		412,499
Unrecognized share-based compensation expense		$ 10.9
Unrecognized share-based compensation expense, weighted-average period (in years)		2 years

Equity Plan.

No definition available.

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- Definition

The number of performance-based shares awarded during the period.

+ References

No definition available.

+ Details

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- Definition

The number of time-based shares awarded during the period.

+ References

No definition available.

+ Details

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- Definition

Unrecognized cost of unvested share-based compensation awards.

+ 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 (i)
-URI http://asc.fasb.org/extlink&oid=109197908&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

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://fasb.org/us-gaap/role/ref/legacyRef
-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=109197908&loc=d3e5070-113901

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- Definition

Number of additional shares authorized for issuance under an established share-based compensation plan.

+ References

No definition available.

+ Details

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

+ 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
-URI http://asc.fasb.org/extlink&oid=109197908&loc=d3e5070-113901

+ Details

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