XML 49 R39.htm IDEA: XBRL DOCUMENT v3.10.0.1
Stock-Based Compensation (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Apr. 11, 2018
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Dec. 31, 2017
Stock-Based Compensation (Textual)            
Share-based compensation expense   $ 17 $ 19 $ 29 $ 39  
Stock options [Member]            
Stock-Based Compensation (Textual)            
Number of options outstanding   1,212,000   1,212,000   1,756,000
Options outstanding, vested and expected to vest, aggregate intrinsic value   $ 0   $ 0    
Term of stock options description       Stock options granted under the 2006 and 2015 Plans are exercisable over a maximum term of ten years from the date of grant, vest in various installments over a one to four-year period and have exercise prices reflecting the market value of the shares of common stock on the date of grant.    
Options granted to purchase of common stock to employee       300,000    
Weighted average grant date fair value   $ 0.02   $ 0.02    
Options granted fair value       $ 6    
Swedish employee [Member]            
Stock-Based Compensation (Textual)            
Share-based compensation expense $ 12          
Options granted to purchase of common stock to employee 300,000          
Weighted average grant date fair value $ 1.50          
Options granted fair value $ 12          
Options expire date Apr. 11, 2021          
Determined purchase price of stock options $ 0.04