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Stockholders’ Equity (Details Textual) - USD ($) |  |  |  | 1 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 08, 2018 | Jul. 06, 2017 | Oct. 06, 2016 | Jan. 29, 2018 | Sep. 27, 2017 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 27, 2018 | Jan. 05, 2018 | Mar. 31, 2017
Common Stock, Shares Authorized |  |  |  |  |  | 60,000,000 |  |  |  |  |
Common Stock, Par or Stated Value Per Share |  |  |  |  |  | $ 0.0001 |  | $ 0.0001 |  |  |
Preferred Stock, Shares Authorized |  |  |  |  |  | 36,000,000 |  |  |  |  |
Preferred Stock, Par or Stated Value Per Share |  |  |  |  |  | $ 0.0001 |  | $ 0.0001 |  |  |
Preferred stock, prorata allotment, Pecentage |  | 75.00% |  |  |  |  |  |  |  |  |
Class of Warrant or Right, Number of Securities Called by Warrants or Rights |  |  |  |  | 61,875 |  |  |  |  |  |
Class of Warrant or Right, Exercise Price of Warrants or Rights |  |  |  |  | $ 6.98 |  |  |  |  |  |
Proceeds from Issuance of Warrants |  |  |  |  | $ 431,574 | $ 431,574 |  | $ 0 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value |  |  |  |  |  | $ 1.77 |  | $ 1.16 |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost |  |  |  |  |  | $ 412,312 |  | $ 2,690 |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options |  |  |  |  |  | $ 1,327,224 |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition |  |  |  |  |  | 2 years 4 months 24 days |  |  |  |  |
Share Price |  |  |  |  |  |  |  |  |  |  | $ 3.23
Non-Employee Grants [Member] |  |  |  |  |  |  |  |  |  |  |
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options |  |  |  |  |  | $ 377,816 |  |  |  |  |
2014 Equity Incentive Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant |  |  |  |  |  | 48,917 |  |  |  |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |  |
Common Stock, Shares Authorized |  |  |  | 90,000,000 |  |  |  |  |  |  |
Preferred Stock, Shares Authorized |  |  |  | 6,000,000 |  |  |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  | 2,730,000 |  |  |  |  |  |  |
Shares Issued, Price Per Share |  |  |  | $ 10.00 |  |  |  |  |  |  |
Stockholders' Equity, Reverse Stock Split | 1-for-3.75 |  |  |  |  |  |  |  |  |  |
Share Price |  |  |  |  |  |  |  |  | $ 9.20 |  |
Subsequent Event [Member] | 2014 Equity Incentive Plan [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  | 1,866,667 |
Subsequent Event [Member] | 2014 Equity Incentive Plan [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized |  |  |  |  |  |  |  |  |  | 1,733,333 |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Designated Shares |  |  |  |  |  | 20,000,000 |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  | 0 | [1] | 0 |  |  |
Preferred Stock, Shares Not Participating in Financings |  |  |  |  | 299,863 |  |  |  |  |  |
Preferred stock, prorata allotment, Pecentage |  |  |  |  | 75.00% |  |  |  |  |  |
Series A2 Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Designated Shares |  |  |  |  |  | 5,714,286 |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  | 788,827 |  |  | 0 | [1] | 788,827 |  |  |
Shares Issued, Price Per Share |  |  | $ 5.25 |  |  |  |  |  |  |  |
Proceeds from Issuance of Preferred Stock and Preference Stock |  |  | $ 4,141,338 |  |  |  |  |  |  |  |
Series B Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred Stock Designated Shares |  |  |  |  |  | 10,000,000 |  |  |  |  |
Stock Issued During Period, Shares, New Issues |  |  |  |  |  | 918,983 | [1] | 0 |  |  |
Shares Issued, Price Per Share |  |  |  |  |  | $ 6.98 |  |  |  |  |
Preferred Stock, Shares Not Participating in Financings |  |  |  |  | 299,863 |  |  |  |  |  |
Convertible Preferred Stock, Terms of Conversion |  |  |  |  |  | The Series B Convertible Preferred Stock is convertible, at the option of the holder, at any time into shares of common stock on a one-for-one basis, subject to certain adjustments. In the event of any issuances by the Company for less than the in-force conversion price, the Series B Convertible Preferred Stock conversion price shall be reduced on a weighted average basis. Each share of Series B Convertible Preferred Stock shall automatically be converted into shares of common stock at the then effective conversion price: (i) immediately prior to the closing of a firm commitment underwritten initial public offering provided that (A) the aggregate offering price, net of underwriters' discounts and expenses, is at least $2.00 per share of common stock and (B) the aggregate proceeds of such offering are not less than $20,000,000; or (ii) the date specified by written consent or agreement of the holders of at least 75% of the then outstanding shares of preferred stock. |  |  |  |  |
Payments of Stock Issuance Costs |  |  |  |  |  | $ 41,958 |  | $ 0 |  |  |
Net Proceeds From Issuance Of Preferred Stock And Preference Stock |  |  |  |  |  | 6,367,693 |  |  |  |  |
Gross Proceeds From Issuance Of Convertible Preferred Stock |  |  |  |  |  | $ 6,409,651 |  |  |  |  |
Series A And Series A2 Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Convertible Preferred Stock, Terms of Conversion |  |  |  |  |  | The SeriesA and SeriesA-2 Convertible Preferred Stock is convertible, at the option of the holder, at any time into shares of common stock on a one-for-one basis. In the event of any issuances by the Company for less than the in-force conversion price, the preferred stock conversion price shall be reduced on a weighted average basis. Each share of preferred stock shall automatically be converted into shares of common stock at the then effective conversion price: (i)immediately prior to the closing of a firm commitment underwritten initial public offering provided that (A) the aggregate offering price, net of underwriters discounts and expenses, is at least $2.00 per share of common stock and (B) the aggregate proceeds of such offering are not less than $20,000,000; or (ii) the date specified by written consent or agreement of the holders of at least 75% of the then outstanding shares of preferred stock. |  |  |  |  |
[1] | Includes gross proceeds of $6,409,651, less issuance costs of $41,958.

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