Quarterly report pursuant to Section 13 or 15(d)

Stock Based Awards (Details Narrative)

v3.21.1
Stock Based Awards (Details Narrative) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Shares reserved for issuance 4,279,000 4,762,000
Stock based compensation expense $ 219,000 $ 107,000
Unrecognized compensation expense $ 1,219,000  
Stock-based compensation weighted average period 1 year 1 month 6 days  
Number of options vested and expected to vest 1,773,000  
Aggregate intrinsic value of vested and expected to vest $ 57,000  
Weighted-average exercise price $ 2.52  
Weighted-average remaining contractual term 8 years 1 month 13 days  
Number of options vested and exercisable $ 583,000,000  
Aggregate intrinsic value of options vested and exercisable $ 906  
Weighted-average exercise price of options vested and exercisable $ 4.25  
Weighted-average remaining contractual term of options vested and exercisable 6 years 8 months 5 days  
Shares issued price per share $ 1.39  
2007 Equity Incentive Plans [Member]    
Shares reserved for issuance 65,456  
Shares vesting period 10 years  
Shares available for grant  
2015 Equity Incentive Plans [Member]    
Shares reserved for issuance 5,000,000  
Shares vesting period 10 years  
Shares available for grant 2,263,000