Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Summary of Status of Company's Stock Option Activity (Detail 1)

v3.19.1
Stock-Based Compensation - Summary of Status of Company's Stock Option Activity (Detail 1)
$ / shares in Units, $ in Thousands
 3 Months Ended
Mar. 31, 2019
USD ($)
$ / shares
shares
Shares  
Outstanding at December 31, 2018 (in shares) | shares 2,001,008
2018 Grants | shares 68,000
Exercised (in shares) | shares 0
Cancelled, expired or forfeited (in shares) | shares (63,000)
Outstanding at March 31, 2019 (in shares) | shares 2,006,008
Exercisable at March 31, 2019 (in shares) | shares 1,065,508
Weighted Average Exercise Price  
Outstanding at December 31, 2018 (in dollars per share) | $ / shares $ 3.29
Granted (in dollars per share) | $ / shares 2.99
Exercised (in dollars per share) | $ / shares 0
Cancelled, expired or forfeited (in dollars per share) | $ / shares 2.8
Outstanding at March 31, 2019 (in dollars per share) | $ / shares 3.29
Exercisable (in dollars per share) | $ / shares $ 4.16
Weighted Average Remaining Contractual Life (Years)  
Weighted Average Remaining Contractual Life at March 31, 2019 6 years 8 months 1 day
Exercisable Weighted Average Remaining Contractual Life at March 31, 2019 5 years 5 months 12 days
Intrinsic Value  
Intrinsic Value Outstanding at March 31, 2019 | $ $ 1,063
Intrinsic Value Exercisable at March 31, 2019 | $ $ 0