Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Warrants and Options [Member]
Stockholders' Equity (Textual)
Aggregate intrinsic value options exercised	$ 155	$ 692
Aggregate intrinsic value options outstanding	$ 399	$ 561
Aggregate intrinsic value options outstanding shares	12,217,320	10,835,333
Warrants and Options [Member] | Employee [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	12,217,320
Warrants and Options [Member] | Non Employee [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	12,167,320
2011 Equity Incentive Plan [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		14,000
Exercise price per unit		$ 0.01
Fair value of stock options granted		$ 62
Stock option plan, expiration date		Apr. 05, 2028
2011 Equity Incentive Plan [Member] | 23 senior officers, staff members and consultants [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		330,000
Exercise price per unit	$ 0.01
Fair value of stock options granted		$ 759
Stock option plan, expiration date		Jan. 01, 2028
2011 Equity Incentive Plan [Member] | 23 senior officers, staff members and consultants [Member] | June 30, 2018 [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	165,000
2011 Equity Incentive Plan [Member] | 23 senior officers, staff members and consultants [Member] | December 31, 2018 [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		165,000
2011 Equity Incentive Plan [Member] | Five senior officers [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	25,000	110,000
Exercise price per unit		$ 0.01
Fair value of stock options granted	$ 10,000	$ 250
Stock option plan, expiration date	Jan. 06, 2029	Jan. 04, 2028
2011 Equity Incentive Plan [Member] | Three consultants [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		55,000
Exercise price per unit	$ 0.01
Fair value of stock options granted		$ 222
Stock option vested, description		The options are exercisable through March 1, 2028. However, the vesting and exercisability of these options is subject to the following schedule: (a) 27,500 options vest on June 30, 2018 and (b) the remaining 27,500 options vest on June 30, 2019.
2011 Equity Incentive Plan [Member] | One Senior Officer [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	100,000
Exercise price per unit	$ 0.01
Fair value of stock options granted	$ 55
Stock option plan, expiration date	May 01, 2029
Stock option vested, description	However, the vesting and exercisability of these options is subject to the following schedule: (a) 50,000 options vest on September 1, 2019 and (b) the remaining 50,000 options vest on January 1, 2020.
2011 Equity Incentive Plan [Member] | Two senior officer [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	100,000
Exercise price per unit	$ 0.01
Fair value of stock options granted	$ 35
Stock option plan, expiration date	Jul. 01, 2029
2011 Equity Incentive Plan [Member] | Three senior officer [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	10,000
Exercise price per unit	$ 0.01
Fair value of stock options granted	$ 3
Stock option plan, expiration date	Sep. 01, 2029
2011 Equity Incentive Plan [Member] | Four senior officer [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	25,000
Exercise price per unit	$ 0.28
Fair value of stock options granted	$ 7
Stock option plan, expiration date	Sep. 03, 2029
2011 Equity Incentive Plan [Member] | Five senior officer [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	215,000
Exercise price per unit	$ 0.01
Fair value of stock options granted	$ 65
Stock option plan, expiration date	Sep. 18, 2029
2011 Equity Incentive Plan [Member] | 19 senior officers, staff members and consultants [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	510,000
Exercise price per unit	$ 0.01
Fair value of stock options granted	$ 73
Stock option plan, expiration date	Nov. 18, 2029
2011 Equity Incentive Plan [Member] | One senior officer and consultant [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	150,000
Exercise price per unit	$ 0.16
Fair value of stock options granted	$ 18
Stock option plan, expiration date	Dec. 10, 2029
2011 Equity Incentive Plan [Member] | June 30, 2011 [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	2,000,000
Options exercisable period from the date of grant	10 years
2011 Equity Incentive Plan [Member] | June 30, 2015 [Member]
Stockholders' Equity (Textual)
Stock option plan, description	The Company's stockholders approved an increase in the number of shares of Common Stock available under the 2011 Equity Incentive Plan for employees and consultants reserving for issuance thereunder an additional four million shares of Common Stock for a total of six million shares of Common Stock available thereunder.
2011 Equity Incentive Plan [Member] | June 30, 2017 [Member]
Stockholders' Equity (Textual)
Stock option plan, description	The Company's stockholders approved an increase in the number of shares of Common Stock available under the 2011 Plan for employees and consultants reserving for issuance thereunder an additional 10 million shares of Common Stock for a total of 16 million shares of Common Stock available thereunder.
2011 Non-Employee Directors Stock Option Plan [Member]
Stockholders' Equity (Textual)
Exercise price per unit	$ 1.78
2011 Non-Employee Directors Stock Option Plan [Member] | Eight Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		400,000
Exercise price per unit		$ 2.31
Fair value of stock options granted		$ 428
Stock option plan, expiration date		Jan. 01, 2024
2011 Non-Employee Directors Stock Option Plan [Member] | June 30, 2011 [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	1,000,000
Options exercisable period from the date of grant	6 years
2011 Non-Employee Directors Stock Option Plan [Member] | June 30, 2015 [Member]
Stockholders' Equity (Textual)
Stock option plan, description	The Company's stockholders approved an increase in the number of shares of Common Stock available under the 2011 Directors Plan, reserving for issuance thereunder an additional two million shares of Common Stock for a total of three million shares of Common Stock available thereunder.
2011 Non-Employee Directors Stock Option Plan [Member] | June 30, 2017 [Member]
Stockholders' Equity (Textual)
Stock option plan, description	The Company's stockholders approved an increase in the number of shares of Common Stock available under the 2011 Directors Plan, reserving for issuance thereunder an additional four million shares of Common Stock for a total of seven million shares of Common Stock available thereunder.
Non Employee Directors Stock Option Plan One [Member] | Eight Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	25,000
Exercise price per unit	$ 0.28
Fair value of stock options granted	$ 7
Stock option plan, expiration date	Sep. 03, 2025
Non Employee Directors Stock Option Plan Two [Member] | Eight Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		25,000
Exercise price per unit		$ 4.15
Fair value of stock options granted		$ 55
Stock option plan, expiration date		Jul. 02, 2024
Non Employee Directors Stock Option Plan Three [Member] | Eight Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		25,000
Fair value of stock options granted		$ 25
Stock option plan, expiration date		Sep. 04, 2024
Stock Option Plan Twenty Eleven One [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)		10,000
Exercise price per unit		$ 0.01
Fair value of stock options granted		$ 18
Stock option plan, expiration date		Sep. 01, 2028
Non Employee Directors Stock Option Plan Four [Member] | Eight Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	25,000
Exercise price per unit	$ 0.18
Fair value of stock options granted	$ 3
Stock option plan, expiration date	Dec. 02, 2025
Non Employee Directors Stock Option Plan Five [Member] | Four Board Members [Member]
Stockholders' Equity (Textual)
Shares purchased under option plan (in share)	340,000
Exercise price per unit	$ 0.16
Fair value of stock options granted	$ 37
Stock option plan, expiration date	Dec. 10, 2025