XML 46 R34.htm IDEA: XBRL DOCUMENT v3.10.0.1
Share-Based Compensation - Summary of Share Option Awards (Detail)
 6 Months Ended
Jul. 01, 2018
USD ($)
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Shares, Outstanding at December 31, 2017 | shares 144,293
Shares, Granted | shares 254,900
Shares, Exercised | shares (6,564)
Shares, Forfeited or Expired | shares (23,319)
Shares, Outstanding at July 1, 2018 | shares 369,310
Shares, Exercisable at July 1, 2018 | shares 108,993
Shares, Vested and Expected to Vest at July 1, 2018 | shares 360,672
Weighted-Average Exercise Price, Outstanding at December 31, 2017 | $ / shares $ 10.11
Weighted-Average Exercise Price, Granted | $ / shares 6.22
Weighted-Average Exercise Price, Exercised | $ / shares 4.82
Weighted-Average Exercise Price, Forfeited or Expired | $ / shares 8.95
Weighted-Average Exercise Price, Outstanding at July 1, 2018 | $ / shares 7.60
Weighted-Average Exercise Price, Exercisable at July 1, 2018 | $ / shares 10.32
Weighted-Average Exercise Price, Vested and Expected to Vest at July 1, 2018 | $ / shares $ 7.63
Weighted-Average Remaining Contractual Life (In Years), Outstanding at July 1, 2018 7 years 7 months 28 days
Weighted-Average Remaining Contractual Life (In Years), Exercisable at July 1, 2018 3 years 14 days
Weighted-Average Remaining Contractual Life (In Years), Vested and Expected to Vest at July 1, 2018 7 years 7 months 9 days
Aggregate Intrinsic Value, Outstanding at July 1, 2018 | $ $ 492,570
Aggregate Intrinsic Value, Exercisable at July 1, 2018 | $ 143,751
Aggregate Intrinsic Value, Vested and Expected to Vest at July 1, 2018 | $ $ 480,840