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Stock-Based Compensation (Details) - USD ($)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 29, 2020
Mar. 31, 2021
Dec. 31, 2020
Stock-Based Compensation (Details) [Line Items]      
Shares issued (in Shares) 37,288    
Market value, percentage 30.00%    
Paid swedish social charges $ 75,000    
Stock related cost percentage 30.00%    
Stock-based compensation expense $ 77,000 $ 23,000  
Issuance of common stock   $ 154,000  
Number of options outstanding (in Shares)   9,500  
Options outstanding, vested and expected to vest, aggregate intrinsic value   $ 0  
Term of stock options description   Stock options granted under the 2006 and 2015 Plans are exercisable over a maximum term of ten years from the date of grant, vest in various installments over a one to four-year period and have exercise prices reflecting the market value of the shares of common stock on the date of grant.  
Minimum [Member]      
Stock-Based Compensation (Details) [Line Items]      
Future unearned bonus, percentage     50.00%
Maximum [Member]      
Stock-Based Compensation (Details) [Line Items]      
Future unearned bonus, percentage     67.00%
Employee Stock Option [Member] | 2020 Plan [Member]      
Stock-Based Compensation (Details) [Line Items]      
Aggregate shares of common stock, shares (in Shares)   750,000