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Stock-based Compensation, Warrants and Shares Reserved (Details Narrative)
3 Months Ended 12 Months Ended
Jan. 02, 2022
shares
Mar. 31, 2022
USD ($)
d
$ / shares
shares
Mar. 31, 2021
USD ($)
Dec. 31, 2020
shares
Dec. 31, 2021
USD ($)
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses   $ 372,118 $ 879,774    
Equity Incentive Plan 2020 [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized | shares       2,000,000  
Increase in shares reserved, percentage       5.00%  
Minimum closing price per share requirement for plan awards | $ / shares   $ 3.00      
Threshold consecutive trading days | d   10      
Increase in shares reserved for issuance | shares 7,479,713        
Stock Appreciation Rights (SARs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Vesting period   3 years      
Share-based Payment Arrangement, Option [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of stock options outstanding | shares   4,916,142     4,985,415
Stock options outstanding aggregate intrinsic value   $ 0     $ 0
Number of stock options exercisable | shares   4,806,209     4,980,482
Stock options exercisable aggregate intrinsic value   $ 0     $ 0
Share-based Payment Arrangement, Option [Member] | Continuing Operations [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses   10,000 110,000    
Share-based Payment Arrangement, Option [Member] | Discontinued Operations [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses   0 33,000    
Restricted Stock Units (RSUs) [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unrecognized stock compensation   $ 784,000      
Period for recognition   1 year 8 months 19 days      
Restricted Stock Units (RSUs) [Member] | Continuing Operations [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses   $ 362,000 737,000    
Restricted Stock Units (RSUs) [Member] | Discontinued Operations [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expenses   $ 0 $ 0