Annual report pursuant to Section 13 and 15(d)

Stock Based Awards (Details Narrative)

v3.20.4
Stock Based Awards (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Shares reserved for issuance 4,286,000 4,762,000
Stock based compensation expense $ 662,000 $ 351,000
Unrecognized compensation expense $ 1,426,000  
Stock-based compensation weighted average period 2 years 1 month 9 days  
Number of options vested and expected to vest 1,779,399  
Aggregate intrinsic value of vested and expected to vest $ 29,040  
Weighted-average exercise price $ 2.53  
Weighted-average remaining contractual term 8 years 3 months 29 days  
Number of options vested and exercisable $ 541,811  
Aggregate intrinsic value of options vested and exercisable $ 453  
Weighted-average exercise price of options vested and exercisable $ 4.38  
Weighted-average remaining contractual term of options vested and exercisable 6 years 9 months 3 days  
Shares issued price per share $ 1.36  
Officers, Directors, Employees and Consultants [Member]    
Number of shares issued 928,000  
Vesting description The options have an exercise price of $1.33 per share, expire in ten years, and vest as follows: one half vests on the one year anniversary of the grant date and the remainder will vest in eight equal quarterly increments with the first such quarterly increment vesting on September 30, 2021.  
Fair value of option grant $ 944,000  
Weighted-average exercise price $ 1.33  
2007 Equity Incentive Plans [Member]    
Shares reserved for issuance 1,786,635  
Shares vesting period 10 years  
Shares available for grant  
Vesting description The options generally vest 25% after one year, with the remaining balance vesting monthly over the following three years.  
2015 Equity Incentive Plans [Member]    
Shares reserved for issuance 1,666,667  
Shares vesting period 10 years  
Shares available for grant 2,262,736  
Vesting description The options generally vest 25% after one year, with the remaining balance vesting monthly over the following three years.