Summary of significant accounting policies additional textual.

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- Definition

The total gross amount less the charge for the use of the long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737

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- Definition

The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Summary of Significant Accounting Policies (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2019 Segment shares	Jan. 01, 2019 USD ($)	Dec. 31, 2018 USD ($) shares	Apr. 30, 2018 shares	Jan. 01, 2018 USD ($)	Dec. 31, 2017 USD ($) shares
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Operating segments of business \| Segment	3
Common stock, authorized shares available for issuance \| shares	50,000,000		50,000,000	50,000,000		35,000,000
Common stock, shares outstanding \| shares	27,776,908
Retained Earnings
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Cumulative effect adjustment upon adoption of new accounting principle			$ 0			$ 169
Accumulated Other Comprehensive Income
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Cumulative effect adjustment upon adoption of new accounting principle			$ 0			$ (169)
ASU 2016-02
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Capitalization of leases as an asset		$ 3,600
ASU 2016-01 \| Retained Earnings
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Cumulative effect adjustment upon adoption of new accounting principle					$ 169
ASU 2016-01 \| Accumulated Other Comprehensive Income
Summary of Significant Accounting Policies (Additional Textual) [Abstract]
Cumulative effect adjustment upon adoption of new accounting principle					$ 169