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Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended |  |
--- | --- | --- | ---
Aug. 17, 2017 | Jul. 31, 2017 | Jan. 31, 2017
Subsequent Event [Line Items] |  |  |
Common Stock, Shares, Issued |  | 7,663,890 | 7,620,215
Common Stock, Par Or Stated Value Per Share |  | $ 0.01 | $ 0.01
Subsequent Event [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Common Stock, Shares, Issued | 725,000 |  |
Common Stock, Par Or Stated Value Per Share | $ 0.01 |  |
Shares Issued, Price Per Share | 13.80 |  |
Underwritng Discount Per Share, Shares Sold | $ 0.966 |  |
Proceeds from Issuance of Common Stock | $ 9.1 |  |
Underwriting Commitments | Pursuant to the Underwriting Agreement, the Underwriters have the option, exercisable for a period of 45-days after execution of the Underwriting Agreement, to purchase up to an additional 108,750 shares of the Common Stock at the Offering Price, which the Underwriters have not exercised. |  |

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- Definition Per Share amount of underriting expenses discounted on shares offering. + References No definition available. + Details
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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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- Definition Per share or per unit amount of equity securities issued. + References No definition available. + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Definition Disclose the effect on the financial statements of underwriting commitments open at year-end and subsequently settled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 940 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35710175&loc=d3e41687-110959 + Details
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