Annual report pursuant to Section 13 and 15(d)

Shareholders Equity and Capital Stock (Details Narrative)

v3.20.4
Shareholders Equity and Capital Stock (Details Narrative) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 12 Months Ended
Aug. 04, 2020
Aug. 31, 2020
Sep. 30, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Public offering price per share $ 0.52   $ 0.82      
Warrants issued to purchase common shares   9,000,000 13,062,878      
Common shares purchase   4,500,000 6,531,439      
Number of options, Outstanding       11,610,424,000    
Number of options, Exercisable       6,245,496,000    
Share based compensation expense       $ 1,000 $ 800 $ 900
Shares issued upon public offering     12,195,122      
Common shares par value   $ 0.75 $ 1.00      
Options granted     1,829,268      
Direct offering closed $ 4,680          
Gross proceeds with warrants 4,680          
Fees and expenses 400          
Net proceeds from offerings $ 4,300          
Exercise price $ 0.75          
Employee Service Share-based Compensation Period for Recognition       1 year 4 months 24 days    
Series A Preferred Stock [Member]            
Preferred shares issued       170,253,752 160,478,059  
Preferred stock outstanding       170,253,752 160,478,059  
First Anniversary [Member]            
Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Percentage       33.30%    
Second Anniversary [Member]            
Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Percentage       33.30%    
Third Anniversary [Member]            
Share-Based Compensation Arrangement By Share-Based Payment Award, Award Vesting Percentage       33.40%    
Stock Option Plan [Member]            
Employee Service Share-based Compensation Period for Recognition       3 years    
Employee Service Share-based Compensation Share-based Awards Other than Options       $ 1,100    
Restricted Stock Units RSU [Member]            
Employee Service Share-based Compensation Period for Recognition       1 year 4 months 24 days    
Employee Service Share-based Compensation Share-based Awards Other than Options       $ 500    
Restricted Stock Units RSU One [Member]            
Options granted       159,982 323,618 496,838
Employee Service Share-based Compensation Period for Recognition       3 years    
Commonn shares exchange for vested RSUs       356,071 425,038 505,510
Proceeds from options exercised       $ 100 $ 200 $ 300
Warrants [Member]            
Warrants issued to purchase common shares     6,097,561      
Warrants One [Member]            
Warrants issued to purchase common shares   9,000,000 13,062,878      
Common shares purchase   4,500,000 6,531,439      
Warrants Three [Member]            
Warrants issued to purchase common shares     867,756      
Common shares purchase     433,878      
Warrants Two [Member]            
Warrants issued to purchase common shares     914,634