XML 39 R27.htm IDEA: XBRL DOCUMENT v3.21.2
Note 5 - Share-based Compensation (Details Textual) - $ / shares
Pure in Thousands
 9 Months Ended
Aug. 24, 2021
Apr. 16, 2021
Mar. 22, 2021
Jan. 21, 2021
Jan. 08, 2021
Jan. 04, 2021
Jan. 01, 2020
Jan. 01, 2019
Sep. 30, 2021
Dec. 31, 2020
Apr. 28, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)                 4,824,215 4,638,390  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) [1]                 770,825    
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) [1]                 $ 5.24    
Minimum [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)                 2 years    
Executives and Key Personnel [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)           417,500          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 5.16          
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period (Year)           1 year          
Director [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)         35,000 227,500          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)         $ 5.50 $ 5.16          
Employees [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)           23,325          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)           $ 5.16          
Consultant [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares) 25,000   30,000 7,500   5,000          
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price (in dollars per share) $ 4.96   $ 6.87 $ 5.65   $ 5.16          
Share-based Payment Arrangement, Option [Member] | Director [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)         1 year 1 year          
Share-based Payment Arrangement, Option [Member] | Employees [Member] | Minimum [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)           4 years          
Share-based Payment Arrangement, Option [Member] | Consultant [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year) 1 year   1 year 1 year   1 year          
Share-based Payment Arrangement, Option [Member] | Share-based Compensation Award Tranche Two through Five [Member] | Executives and Key Personnel [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)           4 years          
The 2011 Plan [Member]                      
Common Stock, Capital Shares Reserved for Future Issuance (in shares)                     3,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized (in shares)   3,000,000         1,500,000 1,500,000      
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance (in shares)                 4,824,215 4,638,390  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)                 4,363,386 2,134,211  
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)                 10 years    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Chief Executive Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate                 0.00%    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche One [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)                 1 year    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche One [Member] | Contractor [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)                 2 years    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche One [Member] | Chief Executive Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)                 5 years    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche Two [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period (Year)                 3 years    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche Two [Member] | Contractor [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)                 3 years    
The 2011 Plan [Member] | Share-based Payment Arrangement, Option [Member] | Share-based Payment Arrangement, Tranche Two [Member] | Chief Executive Officer [Member]                      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term (Year)                 10 years    
[1] Represents the following stock options granted: • Annual share-based compensation awards on January 4, 2021, including: (a) 417,500 stock options with an exercise price of $5.16 per share granted to executives and key personnel, upon one year anniversary, or vesting annually in equal installments over four years, (b) 227,500 stock options with an exercise price of $5.16 per share granted to members of the Board of Directors, vesting upon one year anniversary, (c) 23,325 stock options with an exercise price of $5.16 per share granted to employees, vesting annually in equal installments over four years and (d) 5,000 stock options with an exercise price of $5.16 per share granted to a consultant, vesting upon one year anniversary. • One-time award on January 8, 2021, 35,000 stock options with an exercise price of $5.50 per share granted to a new member of the Board of Directors, vesting in one year from the grant date. • One-time award on January 21, 2021, 7,500 stock options with an exercise price of $5.65 per share granted to a consultant, vesting in one year from the grant date. • One-time award on March 22, 2021, 30,000 stock options with an exercise price of $6.87 per share granted to a consultant, vesting in one year from the grant date. • One-time award on August 24, 2021, 25,000 stock options with an exercise price of $4.96 per share granted to a consultant, vesting in one year from the grant date.