Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Details Narrative)

v3.21.1
Stock-Based Compensation (Details Narrative) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2020
May 31, 2020
Apr. 30, 2014
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Liability for cash settled amount $ 320     $ 976    
Accrued compensation 320     $ 976    
Preferred Stock [Member] | Restricted Shares [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Recognized compensation $ 154          
Unvested stock option award, equity 532,987          
Restricted stock award classified as liability 13,000          
2014 Equity Incentive Plan [Member] | Common Stock [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Common stock capital shares reserved for future issuance         2,000,000  
Number of shares available for grant 1,327,937          
2014 Equity Incentive Plan [Member] | Preferred Stock [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Preferred stock capital shares reserved for future issuance         300,000  
Number of shares available for grant 332,153          
2014 Equity Incentive Plan [Member] | Employees, Officers, Directors and Consultants [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Share-based compensation arrangement by share-based payment award, number of shares authorized           1,351,000
Amended and Restated Equity Incentive Plan [Member] | Common Stock [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Number of shares added to amended and restated equity incentive plan     1,500,000      
Amended and Restated Equity Incentive Plan [Member] | Preferred Stock [Member]            
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]            
Number of shares added to amended and restated equity incentive plan   200,000 100,000