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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.