XML 69 R59.htm IDEA: XBRL DOCUMENT v3.19.1
Weighted Average Exercise Prices for Options Granted and Exercisable and Weighted Average Remaining Contractual Life for Options Outstanding (Detail) - Incentive Stock Option Plan
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Number of Shares, Outstanding | shares 369,387
Number of Shares, Expected to Vest | shares 369,387
Number of Shares, Exercisable | shares 369,387
Weighted Average Exercise Price, Outstanding | $ / shares $ 9.10
Weighted Average Exercise Price, Expected to Vest | $ / shares 9.10
Weighted Average Exercisable, Exercise Price | $ / shares $ 9.10
Weighted Average Remaining Life, Outstanding 39 months
Weighted Average Remaining Contractual Life, Expected to Vest 39 months
Weighted Average Remaining Contractual Life, Exercisable 39 months
Weighted Average Remaining Life, Outstanding | $ $ 3,000
Weighted Average Remaining Contractual Life, Expected to Vest | $ 3,000
Weighted Average Remaining Contractual Life, Exercisable | $ $ 3,000