XML 82 R71.htm IDEA: XBRL DOCUMENT v3.20.2
Stock Options and Restricted Stock - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jun. 15, 2018
Sep. 30, 2020
Mar. 31, 2020
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Jun. 30, 2020
Dec. 31, 2018
Mar. 01, 2016
Feb. 29, 2016
Jun. 16, 2006
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock option outstanding   864,350 871,228 864,350   550,040 869,605 144,666      
Stock option exercisable [1]   197,232   197,232              
Unvested shares of common stock outstanding   667,118 703,948 667,118   487,262 690,526        
Weighted average fair value of options granted     $ 6.68                
Intrinsic value of options vested   $ 2,000   $ 44,000              
Restricted Stock Units [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares outstanding   62,780   62,780              
Number of shares available for grant       47,156 26,040            
Restricted Stock Units [Member] | Vest on June 19, 2021 [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares outstanding   47,156   47,156              
Number of shares available for grant       47,156              
Vesting period       1 year              
Exercise price for grant per share       $ 3.16              
Restricted Stock Units [Member] | Vested on June 14, 2020 [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares outstanding           26,040          
Number of shares available for grant           26,040          
Vesting period           1 year          
Exercise price for grant per share           $ 4.80          
Number of shares vested with deferred settlement       15,624              
Number of shares vested and settled       10,416              
Restricted Shares [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares outstanding   352,615 [2] 363,639 352,615 [2]   284,879 362,943 [2] 190,915      
Weighted average fair value of options granted       $ 3.30 $ 2.98            
Number of shares available for grant     165,674 165,674 178,266 216,148          
Exercise price for grant per share     $ 6.68     $ 6.59          
Number of shares vested and settled [3]   8,055 81,337     118,238          
2018 Equity Incentive Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant 241,919 2,210,968   2,210,968              
Shares were rolled into the 2018 Plan   1,012,816   1,012,816              
2015 Restricted Stock Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant                 700,000    
Unvested shares of common stock outstanding   352,615   352,615              
2006 Stock Option Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Issuance of maximum number of shares approved                     800,000
Number of additional shares available for issuance   0   0              
2006 Stock Option Plan [Member] | Maximum [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share based compensation, options term       10 years              
2015 Director Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant 258,334                 300,000  
2015 Director Plan [Member] | Non Employee Director One [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant 12,000                    
2015 Director Plan [Member] | Maximum [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share based compensation, options term 10 years                    
Amended Director Plan [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant   200,000   200,000              
Number of additional shares available for issuance   0   0              
Amended Director Plan [Member] | Director [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Number of shares available for grant   9,000   9,000              
Amended Director Plan [Member] | Maximum [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share based compensation, options term       10 years              
[1] The aggregate intrinsic value, which represents the difference between the price of the Company’s common stock at September 30, 2020 and the related exercise price of the underlying options, was $6,000 for outstanding options and $5,000 for exercisable options as of September 30, 2020. The remaining contractual life was 8.60 years for outstanding options and 7.27 years for exercisable options at September 30, 2020.
[2] The aggregate fair value of the restricted stock was $882,000 as of September 30, 2020. The remaining vesting period was 2.05 years at September 30, 2020.
[3] The aggregate fair value of the restricted stock vested was $25,000 and $579,000 for the three and nine months ended September 30, 2020, and was $0 and $736,000 for the three and nine months ended September 30, 2019.