XML 40 R49.htm IDEA: XBRL DOCUMENT v3.20.1
Stock-based Compensation - Options Outstanding and Exercisable (Details) - Stock Options
3 Months Ended
Mar. 31, 2020
$ / shares
shares
Outstanding  
Number Outstanding | shares 450,000
Weighted Average Remaining Contractual Life 5 years 10 months 24 days
Weighted Average Exercise Price | $ / shares $ 1.62
Exercisable  
Number Outstanding | shares 360,000
Weighted Average Exercise Price | $ / shares $ 1.61
Grant Date February 24, 2016  
Outstanding  
Number Outstanding | shares 450,000
Weighted Average Remaining Contractual Life 5 years 10 months 24 days
Weighted Average Exercise Price | $ / shares $ 1.62
Exercisable  
Number Outstanding | shares 360,000
Weighted Average Exercise Price | $ / shares $ 1.62