XML 20 R40.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-Based Compensation and Stock Options (Details) - Stock Options
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
May 31, 2019
installment
$ / shares
shares
Jun. 30, 2018
$ / shares
shares
May 31, 2018
$ / shares
shares
Apr. 30, 2018
installment
$ / shares
shares
Oct. 31, 2017
$ / shares
shares
Mar. 31, 2016
$ / shares
shares
Sep. 30, 2015
$ / shares
shares
Jan. 31, 2012
$ / shares
shares
Mar. 31, 2020
USD ($)
shares
Mar. 31, 2019
USD ($)
shares
Dec. 31, 2019
shares
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
USD ($)
shares
Dec. 31, 2014
shares
January 2012 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)               100,000            
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares               $ 28.98            
Options vested and become exercisable annually (in shares)               25,000            
Options canceled (in shares)                     50,000     25,000
Options forfeited (in shares)                           25,000
September 2015 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)             400,000              
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares             $ 8.07              
Options vested and become exercisable quarterly (in shares)             50,000              
Options vested (in shares)                 400,000          
Options outstanding (in shares)                 400,000          
March 2016 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)           150,000                
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares           $ 8.55                
Options vested and become exercisable annually (in shares)           37,500                
Options canceled (in shares)                         12,500  
Options forfeited (in shares)                       50,000 37,500  
Total stock-based compensation expense | $                       $ (59) $ (19)  
Options exercised (in shares)                     50,000      
Shares issued upon exercise of options (in shares)                     4,000      
October 2017 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)         400,000                  
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares         $ 6.95                  
Options vested and become exercisable quarterly (in shares)         50,000                  
Total stock-based compensation expense | $                   $ 143        
Options exercised (in shares)                     250,000      
Options outstanding (in shares)                 150,000          
April 2018 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)       50,000                    
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares       $ 10.50                    
Options canceled (in shares)                   50,000        
Total stock-based compensation expense | $                   $ 34        
Number of installments | installment       12                    
May 2018 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)     50,000                      
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares     $ 14.70                      
Options vested and become exercisable annually (in shares)     12,500                      
Options vested (in shares)                 12,500          
Total stock-based compensation expense | $                 $ 22 $ 22        
Options outstanding (in shares)                 50,000          
Unrecognized stock-based compensation expense | $                 $ 190          
Expected duration for recognition of stock based compensation expense (in years)                 2 years 1 month 13 days          
June 2018 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)   50,000                        
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares   $ 16.65                        
Options vested and become exercisable annually (in shares)   12,500                        
Options forfeited (in shares)                 37,500          
Total stock-based compensation expense | $                 $ (43)          
May 2019 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Employee options granted to purchase shares of common stock (in shares)                 100,000          
Exercise price of employee option shares of common stock (in dollars per share) | $ / shares $ 19.28                          
Options vested (in shares) 10,000               25,000          
Total stock-based compensation expense | $                 $ 44          
Number of installments | installment 3                          
Unrecognized stock-based compensation expense | $                 $ 551          
Expected duration for recognition of stock based compensation expense (in years)                 3 years 1 month 19 days          
September 2019 | May 2019 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Options vested and exercisable in future periods (in shares) 15,000                          
May 20, 2021 | May 2019 Plan                            
Share-based Compensation Arrangement by Share-based Payment Award                            
Options vested and exercisable in future periods (in shares) 75,000