Shareholders' Equity (Details Textual) - USD ($)		1 Months Ended				3 Months Ended		12 Months Ended
	Mar. 13, 2018	Feb. 21, 2018	Nov. 29, 2017	Jun. 30, 2017	Jun. 28, 2017	Mar. 31, 2018	Sep. 30, 2017	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2014	Mar. 29, 2018	Jan. 26, 2018	Jan. 30, 2017	Jan. 24, 2017	Sep. 30, 2016
Shareholders' Equity (Textual)
Common stock, shares authorized						75,000,000		75,000,000
Common stock, par value						$ 0.025		$ 0.025
Common stock held in treasury						11,500		11,500
Offering costs								$ 3,000,000
Common stock issued to placement agent				300,000				112,800
Term of warrants			5 years	5 years				5 years
Warrants exercise price, per share					$ 1.90
Common stock, shares issued						2,148,080		1,832,372
Unrecognized compensation cost related to stock options						$ 32,000
Unrecognized compensation expense expected to be recognized						3 years
Stock issued for services rendered								5,000	25,859
Stock price						$ 0.57			$ 10.34				$ 2.95		$ 17.60
Exercise price						$ 0.95
Term (years)						4 years 10 months 25 days
Risk free rate of return						2.56%
Volatility						140.40%
Warrant liability						$ 701,590
Warrants issued												200,000
Board of Directors Chairman [Member]
Shareholders' Equity (Textual)
Common stock, shares authorized										1,438
Payments for repurchase of common stock										$ 230,000
Common stock, repurchase price per share										$ 20.00
Accredited investors [Member]
Shareholders' Equity (Textual)
Offering costs							$ 1,410,000	$ 3,000,000
Offering units, description							Each Unit comprised of (i) one (1) share of Series D Preferred Stock, par value $0.001 per share (the "Series D Preferred Stock"), (ii) fifteen (15) warrants (the "Warrants") to purchase shares of the Company's common stock, par value $0.025 per share ("Common Stock"), and (iii) three (3) shares of Common Stock, at a per unit purchase price of $10.00.	Each Unit comprised of (i) one (1) share of Series E Preferred Stock, par value $0.001 per share (the "Series E Preferred Stock"), (ii) fifteen (15) warrants (the "Warrants") to purchase shares of the Company's common stock, par value $0.025 per share ("Common Stock"), at a per unit purchase price of $10.00.
Convertible stock, shares issued						2,500
Underwriting Agreement [Member]
Shareholders' Equity (Textual)
Term of warrants					5 years
Warrants exercise price, per share														$ 4.13
Common stock, shares issued					2,000,000									3,000,000
Description of securities purchase agreement			The Company, entered into a Securities Purchase Agreement with five (5) accredited investors (the "Purchasers"). Pursuant to the Securities Purchase Agreement, the Purchasers purchased 1,868,933 shares of the Company's common stock, par value $0.025 per share at a price of $1.03 per share of Common Stock, 736,948 Series A Common Stock Purchase Warrants (the "Series A Warrants"), and 664,753 Series B Common Stock Purchase Warrants for an aggregate of $1,925,000. The Series A Warrants are exercisable immediately, at the price of $1.31 per share, and expire five years from the date of issuance. The Series B Warrants are exercisable on the date six months from the date of issuance, at the price of $1.31 per share, expiring five years from the initial exercise date.
Employee Compensation [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						7,770
Acquisition Agreement [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						1,250
Consulting Agreement [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						31,250
American Science And Technology [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						62,500
Exercise of Warrants [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						313
Stock warrants [Member]
Shareholders' Equity (Textual)
Warrants exercise price, per share								$ 1.44
Common stock, shares issued						2,333,939		1,644,359
Common Stock [Member]
Shareholders' Equity (Textual)
Common stock, shares issued						315,708
Stock price											$ 0.57
Term (years)								5 years
Risk free rate of return								1.79%
Volatility								158.00%
Series D Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						141,000		141,000
Preferred stock, shares issued						106,950		141,000
Preferred stock, shares outstanding						106,950		141,000
Common stock issued to placement agent						42,563
Warrants exercise price, per share						$ 0.94
Deemed dividend	$ 866,000					$ 212,000
Post modification fair value	1,269,000
Prior carrying balance	403,000
Converted stock						34,050
Series D Preferred Stock [Member] | Stock warrants [Member]
Shareholders' Equity (Textual)
Preferred stock, shares issued						34,050
Deemed dividend	$ 90,000
Series D Warrant Liability [Member]
Shareholders' Equity (Textual)
Stock price	$ 0.64					$ 0.57
Exercise price	$ 0.94					$ 0.94
Term (years)	4 years 6 months					4 years 5 months 12 days
Risk free rate of return	2.62%					2.57%
Volatility	140.40%					140.40%
Series E Warrant Liability [Member]
Shareholders' Equity (Textual)
Stock price	$ 0.64	$ 0.9600				$ 0.57
Exercise price	$ 0.94	$ 0.95				$ 0.94
Term (years)	4 years 6 months 29 days	5 years				4 years 6 months 10 days
Risk free rate of return	2.62%	2.69%				2.57%
Volatility	140.40%	152.90%				140.40%
Series E Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						300,000		300,000
Preferred stock, shares issued						223,950		300,000
Preferred stock, shares outstanding						223,950		300,000
Percentage of dividend								20.00%
Common stock issued to placement agent						95,063		75,000
Convertible stock, shares issued						277,994
Deemed dividend	$ 1,760,783					$ 387,000
Post modification fair value	2,717,000
Prior carrying balance	$ 957,000
Converted stock						76,050
Series E Preferred Stock [Member] | Accredited investors [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent								75,000
Series E Preferred Stock [Member] | Stock warrants [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent								562,500
Deemed dividend						$ 145,000
Series F Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						2,500		2,500				3,400
Preferred stock, shares issued						2,500		0
Preferred stock, shares outstanding						2,500		0
Offering costs						$ 2,002,000
Offering units, description						Each unit consisting of (i) 2,500 shares of Series F Preferred Stock, par value $0.001 per share, with a stated value of $1,000 per share (the "Series F Preferred Stock"); and (ii) 5,319,141 Series A warrants (the "Warrants") to purchase shares of the Company's common stock.
Percentage of dividend						8.00%
Common stock issued to placement agent						200,000
Placement agents aggregate cash fee						$ 180,000
Placement agent's expenses						40,000
Series F Preferred Stock [Member] | Accredited investors [Member]
Shareholders' Equity (Textual)
Offering costs						$ 2,250,000
Series F Preferred Stock [Member] | Stock warrants [Member]
Shareholders' Equity (Textual)
Common stock issued to placement agent						200,000
Term of warrants						5 years
Warrants exercise price, per share			$ 0.94			$ 0.95
Deemed dividend			$ 10,000
Warrants issued						5,319,143
Exercisable term						5 years
Series A Warrant Liability [Member]
Shareholders' Equity (Textual)
Deemed dividend						$ 4,214,000
Warrants fair value issuance						6,216,000
Warrant liability						4,499,243		$ 6,216,073
Unrealized gain on derivative liability						$ 1,700,000
Series A Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						51		51
Preferred stock, shares issued						51		51
Preferred stock, shares outstanding						51		51
Preferred stock, voting rights, description						Each share of Series A Preferred Stock has no conversion rights, is senior to any other class or series of capital stock of the Company and has special voting rights. Each one (1) share of Series A Preferred Stock shall have voting rights equal to (x) 0.019607 multiplied by the total issued and outstanding Common Stock eligible to vote at the time of the respective vote (the "Numerator"), divided by (y) 0.49, minus (z) the Numerator.
Series B Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						71,210		71,210
Preferred stock, shares issued						0		0
Preferred stock, shares outstanding						0		0
Preferred Stock [Member]
Shareholders' Equity (Textual)
Preferred stock, shares authorized						5,000,000