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Shareholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 21, 2016 | Sep. 23, 2016 | Jun. 30, 2012 | Dec. 31, 2001 | Jun. 30, 2008 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Feb. 29, 2016 | Dec. 31, 2014
Preferred shares authorized |  |  |  |  |  |  | 100,000 | 100,000 |  |  |
Preferred shares, par value |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |  |
Warrant liability |  |  |  |  |  |  | $ 1,200 | $ 1,030 |  |  |
Number of stock option outstanding |  |  |  |  |  |  | 389,687 | 390,525 | 2,343,022 |  | 2,276,079
Stock option exercised |  |  |  |  |  |  |  |  |  |  |
Compensation expenses |  |  |  |  |  |  | $ 300 | $ 200 | $ 900 |  |
Unrecognized share based compensation |  |  |  |  |  |  | $ 100 |  |  |  |
Number of shares granted |  |  |  |  |  |  | 170,000 |  | 340,711 |  |
Exercise price of granted shares | [1] |  |  |  |  |  | $ 1.00 |  | $ 1.50 |  |
Severance Agreements [Member] |  |  |  |  |  |  |  |  |  |  |
Number of stock option outstanding |  |  |  |  |  |  |  |  | 1,617,689 |  |
Compensation expenses |  |  |  |  |  |  |  |  | $ 100 |  |
Registered Direct Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Number of share issued |  | 1,000,000 |  |  |  |  |  |  |  |  |
Net share price |  | $ 1.50 |  |  |  |  |  |  |  |  |
Net proceeds from offering |  | $ 1,320 |  |  |  |  |  |  |  |  |
Warrant [Member] | Registered Direct Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Number of warrant called |  | 1,000,000 |  |  |  |  |  |  |  |  |
Warrant exercise price |  | $ 2.05 |  |  |  |  |  |  |  |  |
Warrant term |  | 5 years |  |  |  |  |  |  |  |  |
Net proceeds from offering |  | $ 1,240 |  |  |  |  |  |  |  |  |
Common Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Number of share issued |  |  |  |  |  |  |  | 367,667 |  |  |
Number of shares granted |  |  |  |  |  |  | (151,008) |  |  |  |
Common Stock [Member] | Registered Direct Offering [Member] |  |  |  |  |  |  |  |  |  |  |
Net proceeds from offering |  | $ 800 |  |  |  |  |  |  |  |  |
Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred shares, par value |  |  |  |  |  |  | $ 0.01 |  |  |  |
Series P Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred shares authorized |  |  |  |  |  |  | 50,000 |  |  |  |
Series A Convertible Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred shares authorized |  |  |  |  |  |  | 50,000 |  |  | 50,000 |
Maximum [Member] | Preferred Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Preferred shares authorized |  |  |  |  |  |  | 100,000 |  |  |  |
2001 Incentive Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock issued and outstanding |  |  |  |  | 25.00% |  |  |  |  |  |
Stock option description |  |  |  |  | 10 years which expired in December 2011 |  | expire on various dates through September 2018. |  |  |  |
Number of stock option outstanding |  |  |  |  |  |  | 67,558 |  |  |  |
2012 Equity Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Stock option description |  |  |  | The 2012 Equity Plan has a term of 10 years which expires in June 2022. |  |  | expire on various dates through January 2025. |  |  |  |
Number of stock option outstanding |  |  |  |  |  |  | 292,350 |  |  |  |
2012 Equity Plan [Member] | Employees and Directors [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares reserves for future issuance |  |  |  | 1,533,333 |  |  |  |  |  |  |
2008 Stock Option Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Percentage of common stock issued and outstanding |  |  |  |  |  | 1.00% |  |  |  |  |
Stock option description |  |  |  |  |  |  | expire on various dates through September 2024. |  |  |  |
Number of stock option outstanding |  |  |  |  |  |  | 29,779 |  |  |  |
Stock option term |  |  |  |  |  | 10 years |  |  |  |  |
Employee Stock Ownership Plan [Member] |  |  |  |  |  |  |  |  |  |  |
Annual compensation of ESOP |  |  |  |  |  |  |  |  | $ 300 |  |
Restricted Stock [Member] |  |  |  |  |  |  |  |  |  |  |
Compensation expenses |  |  | $ 200 |  |  |  |  |  |  |  |
Number of shares granted |  |  | 199,992 |  |  |  |  |  |  |  |
Number of shares vested |  |  | 33,332 |  |  |  |  |  |  |  |
Exercise price of granted shares |  |  | $ 1.05 |  |  |  |  |  |  |  |
Restricted Stock [Member] | Board of Directors [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares granted |  |  | 58,500 |  |  |  |  |  |  |  |
Restricted Stock [Member] | Board Member [Member] |  |  |  |  |  |  |  |  |  |  |
Number of shares granted |  |  | 351,000 |  |  |  |  |  |  |  |
September 23, 2016 Grants [Member] |  |  |  |  |  |  |  |  |  |  |
Unrecognized share based compensation |  |  |  |  |  |  | $ 0 |  |  |  |
[1] | Represents the weighted average price.

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