Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation (Details Narrative)

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Stock Based Compensation (Details Narrative) - USD ($)
12 Months Ended
Jan. 02, 2021
Apr. 30, 2020
Feb. 17, 2020
Jan. 07, 2020
Jan. 02, 2020
Oct. 03, 2021
Sep. 27, 2020
Jun. 14, 2016
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued during the period, shares           58,392 59,447  
Vested restricted stock units issued net of tax withholding, shares           83,000 84,500  
One Directors and Two Officers [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued during the period, shares       59,447        
Vested restricted stock units issued net of tax withholding       $ 54,000        
Vested restricted stock units issued net of tax withholding, shares       84,500        
Directors and Officers [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of shares issued during the period, shares 58,392              
Vested restricted stock units issued net of tax withholding $ 44,000              
Vested restricted stock units issued net of tax withholding, shares 83,000              
Three Independent Directors [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted Stock Unit Shares, Granted         100,000      
Vesting period of shares   5 years     5 years      
Vesting percentage         20.00%      
Stock issued during period shares share based compensation   300,000            
Stock issued during period value share based compensation   $ 525,000            
Shares issued price per share   $ 1.75            
Three Independent Directors [Member] | Minimum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Board fees   $ 22,000            
Three Independent Directors [Member] | Maximum [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Board fees   $ 36,000            
Director [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Vested restricted stock units issued net of tax withholding, shares 60,000              
Stock Option [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of options, shares granted           0    
Restricted Stock Units (RSUs) [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted Stock Unit Shares, Granted           50,000  
Unrecognized compensation expense, period for recognition           11 months 1 day    
Restricted Stock [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted Stock Unit Shares, Granted           300,000  
Unrecognized compensation expense, period for recognition           3 years 3 months    
2009 Stock Option Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of authorized shares             75,000  
Fully vested stock options outstanding           0 25,000  
Stock options repurchased price per share             $ 0.01  
Total transaction amount             $ 250,000  
Restricted Stock Unit Plan Two T Housand Sixteen [Member] | Officers and Employees [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Number of authorized shares               1,000,000
2016 Restricted Stock Unit Plan [Member]                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Amortization of grant date fair market value     $ 107,000          
2016 Restricted Stock Unit Plan [Member] | Loss On Contract                
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Restricted Stock Unit Shares, Granted     50,000          
Vesting period of shares     3 years          
Vesting percentage, next twelve months     34.00%          
Vesting percentage, thereafter     33.00%          
Stock price at grant date     $ 2.13