Stockholders' Equity (Details) - shares	May 10, 2018	May 03, 2017	Dec. 31, 2018
Stockholders' Equity (Textual)
Reserved common stock shares for issuance			119,258
Common stock reserved for future grants			295,067
Eighth Amended and Restated Certificate of Incorporation [Member]
Stockholders' Equity (Textual)
Description of preferred stock, authorized		(a) implement the reverse stock split at a ratio of 1-for-10; and (b) to reduce the number of authorized shares of common stock from 40,000,000 to 8,200,000, consequently reducing the number of total authorized shares from 45,000,000 to 13,200,000. With the completion of the reverse stock split, the Company’s shares began trading above the required $1.00 per share closing bid price, as required by the Listing Qualifications Department of NASDAQ. The share information has been retroactively reflected for the effects of this reverse stock split for all periods presented.
Secretary Of State Delaware Certificate [Member]
Stockholders' Equity (Textual)
Description of preferred stock, authorized	The Company’s stockholders approved an amendment to the Certificate of Incorporation to decrease the Company’s authorized number of shares of preferred stock from 5,000,000 shares to 1,000,000 shares. The Company filed with the Secretary of State of the State of Delaware a Certificate of Amendment to decrease the authorized number of preferred shares, consequently reducing the number of total authorized shares from 13,200,000 to 9,200,000.