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Stock-Based Compensation and Stock Options (Details) - Stock Options - USD ($) | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Nov. 01, 2017 | Mar. 31, 2016 | Sep. 30, 2015 | Jan. 31, 2012 | Sep. 30, 2017 | Sep. 30, 2017 | Dec. 31, 2015
January 2012 Plan |  |  |  |  |  |  |
Stock-Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |
Employee options granted to purchase shares of common stock (in shares) |  |  |  | 100,000 |  |  |
Exercise price of employee option shares of common stock (in dollars per share) |  |  |  | $ 28.98 |  |  |
Options vested and become exercisable annually (in shares) |  |  |  | 25,000 |  |  |
Options canceled (in shares) |  |  |  |  |  |  | 25,000
Options forfeited (in shares) |  |  |  |  |  |  | 25,000
Options vested (in shares) |  |  |  |  | 50,000 | 50,000 |
Unrecognized stock-based compensation expense |  |  |  |  | $ 0 | $ 0 |
September 2015 Plan |  |  |  |  |  |  |
Stock-Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |
Employee options granted to purchase shares of common stock (in shares) |  |  | 400,000 |  |  |  |
Exercise price of employee option shares of common stock (in dollars per share) |  |  | $ 8.07 |  |  |  |
Options vested and become exercisable annually (in shares) |  |  | 50,000 |  |  |  |
Options vested (in shares) |  |  |  |  | 350,000 | 350,000 |
Options outstanding (in shares) |  |  |  |  | 400,000 | 400,000 |
Total stock-based compensation expense |  |  |  |  | $ 196,000 | $ 587,000 |
Unrecognized stock-based compensation expense |  |  |  |  | $ 196,000 | $ 196,000 |
Expected duration for recognition of stock based compensation expense (in years) |  |  |  |  |  | 3 months |
March 2016 Plan |  |  |  |  |  |  |
Stock-Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |
Employee options granted to purchase shares of common stock (in shares) |  | 150,000 |  |  |  |  |
Exercise price of employee option shares of common stock (in dollars per share) |  | $ 8.55 |  |  |  |  |
Options vested and become exercisable annually (in shares) |  | 37,500 |  |  |  |  |
Options vested (in shares) |  |  |  |  | 37,500 | 37,500 |
Options outstanding (in shares) |  |  |  |  | 112,500 | 112,500 |
Total stock-based compensation expense |  |  |  |  | $ 11,000 | $ 100,000 |
Unrecognized stock-based compensation expense |  |  |  |  | $ 288,000 | $ 288,000 |
Expected duration for recognition of stock based compensation expense (in years) |  |  |  |  |  | 2 years 4 months 24 days |
Executive Officer | March 2016 Plan |  |  |  |  |  |  |
Stock-Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |
Options forfeited (in shares) |  |  |  |  | 37,500 |  |
Total stock-based compensation expense |  |  |  |  | $ (19,000) |  |
Subsequent Event | October 2017 Plan |  |  |  |  |  |  |
Stock-Based Compensation (Textual) [Abstract] |  |  |  |  |  |  |
Employee options granted to purchase shares of common stock (in shares) | 400,000 |  |  |  |  |  |
Exercise price of employee option shares of common stock (in dollars per share) | $ 6.95 |  |  |  |  |  |
Options vested and become exercisable quarterly (in shares) | 50,000 |  |  |  |  |  |

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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 (e)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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