Shareholders' Equity (Details) - USD ($)			1 Months Ended			3 Months Ended
	Aug. 11, 2017	May 05, 2017	Mar. 23, 2020	Feb. 20, 2020	Jan. 31, 2020	Mar. 31, 2020	May 08, 2020	Mar. 12, 2020	Feb. 10, 2020	Jan. 08, 2020	Dec. 31, 2019
Shareholders' Equity (Textual)
Preferred stock, shares authorized						350,000					350,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stoc, shares issued						25,778,431
Common stock purchase agreement with FBR, description	The Company filed a prospectus supplement for the sale of up to $4.8 million of shares of common stock pursuant to the FBR Sales Agreement, and the Company sold an aggregate of approximately $1 million of shares thereunder. On October 3, 2018, the Company filed an updated prospectus supplement with the U.S. Securities and Exchange Commission (the "SEC") and may offer and sell shares of the Company's common stock pursuant to the FBR Sales Agreement having an aggregate offering price of up to $9.0 million, from time to time. The prospectus supplement filed on October 3, 2018, superseded the prospectus supplement dated August 11, 2017.
Fair value of share						$ 2.56
Grant value						$ 59,000
FBR Sales Agreement [Member]
Shareholders' Equity (Textual)
Common stock purchase agreement with FBR, description	The FBR Sales Agreement provides that FBR is entitled to compensation for its services in an amount equal to 3% of the gross proceeds from the sale of shares sold under the FBR Sale Agreement.	The shares sold pursuant to the FBR Sales Agreement have been and will be issued pursuant to General Instruction I.B.6 of Form S-3, which permits the Company to sell shelf securities in a public primary offering with a value not exceeding one-third of the average market value of the Company's voting and non-voting common equity held by non-affiliates in any 12-month period as long as the aggregate market value of the Company's outstanding voting and non-voting common equity held by non-affiliates is less than $75 million.
Common stock shares sold						1,732,115
Weighted average price per share					$ 2.30
FBR Sales Agreement [Member] | Subsequent Event [Member]
Shareholders' Equity (Textual)
Common stock value under sale agreement							$ 8,900,000
Common Stock [Member]
Shareholders' Equity (Textual)
Common stoc, shares issued			304,615
Common stock, shares issued option exercised										2,189
Common stock exercise price										$ 0.86
Common stock shares issued to vendors								10,000	10,000	10,000
Common stock for payment on achieved milestone			1,956,182
Fair value of share			$ 2.56					$ 1.97	$ 2.25	$ 1.68
Common stock issued as a result of warrant exercises				206
Warrants issued to purchase shares						304,615
Warrants exercise price				$ 2.50		$ 2.25