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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 |

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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. + References No definition available. + Details
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