• Filing Date: 2019-08-13
  • Form Type: 10-Q
  • Description: Quarterly report
v3.19.2
Shareholders' Equity - Textual (Details) - USD ($)
6 Months Ended
Aug. 16, 2017
Feb. 16, 2016
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Equity [Abstract]          
Exercise of stock options, common stock issued (in shares)     397,671 0  
Weighted average exercise price, exercised (in USD per share)     $ 1.59    
Period under program 1 year 1 year      
Authorized repurchase amount $ 5,000,000 $ 15,000,000      
Treasury stock (in shares)     12,253,502   12,253,502
Treasury stock, shares held at cost     $ 18,929,915   $ 18,929,915