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Stock-Based Compensation Arrangements (Detail Textuals 1) - USD ($) $ / shares in Units, $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
May 22, 2015 | Dec. 31, 2016 | Dec. 31, 2015
Stock options |  |  |
Stock-based compensation |  |  |
Granted (in shares) |  | 197,841 | 122,523
Weighted average grant-date fair value (in dollars per share) |  | $ 3.66 | $ 6.16
Stock options | 2015 Plan |  |  |
Stock-based compensation |  |  |
Number of shares reserved | 291,667 |  |
Maximum life of stock option awards granted | 10 years |  |
Stock options | Minimum | 2015 Plan |  |  |
Stock-based compensation |  |  |
Vesting period | 1 year |  |
Stock options | Maximum | 2015 Plan |  |  |
Stock-based compensation |  |  |
Vesting period | 4 years |  |
Stock options | Employees and directors | 2015 Plan |  |  |
Stock-based compensation |  |  |
Granted (in shares) |  | 197,841 | 122,523
Grant date fair value |  | $ 0.7 | $ 0.8
Weighted average grant-date fair value (in dollars per share) |  | $ 3.66 | $ 6.16
Total remaining unrecognized compensation cost |  | $ 0.4 |
Weighted-average remaining requisite service period of recognition of unrecognized compensation cost |  | 1 year 8 months 9 days |
Performance Based Options | Employees and directors | 2015 Plan |  |  |
Stock-based compensation |  |  |
Granted (in shares) |  | 189,091 |

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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 Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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 (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + 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 (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. + 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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