Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation Plans (Summary of Stock Option Activity) (Detail)

v3.19.1
Stock-Based Compensation Plans (Summary of Stock Option Activity) (Detail) - Employee Stock Option [Member]
3 Months Ended
Mar. 31, 2019
$ / shares
shares
Number of Options outstanding  
Outstanding, Beginning Balance | shares 1,546,521
Granted | shares 0
Exercised | shares 0
Expired or Forfeited | shares (11,500)
Outstanding, Ending Balance | shares 1,535,021
Weighted Average Exercise Price  
Outstanding, Beginning Balance | $ / shares $ 5.11
Granted | $ / shares 0
Exercised | $ / shares 0
Expired or Forfeited | $ / shares 5.98
Outstanding, Ending Balance | $ / shares $ 5.10