Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies (Details Narrative)

v3.21.1
Significant Accounting Policies (Details Narrative) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Mar. 30, 2022
Product Information [Line Items]        
Restricted cash $ 738      
Accounts receivable 439   $ 131  
Current prepaid assets and other assets 2,134   223  
Long-term prepaid assets and other assets 1,633   136  
Contract assets 85   32  
Contract liabilities $ 1,350   $ 92  
Intangible assets useful life 10 years      
Fixed assets useful life 5 years      
Research and development costs $ 820 $ 1,009    
Advertising costs 8 $ 12    
Directors and Officers [Member]        
Product Information [Line Items]        
Insurance policy 1,350      
Accrued expenses in prepaid expenses and other current assets 225      
Accrued expenses, prepaid expenses and other non-current assets 1,100      
Current prepaid assets and other assets 1,530      
Long-term prepaid assets and other assets 1,120      
Accrued Insurance $ 2,650      
Directors and Officers [Member] | Forecast [Member]        
Product Information [Line Items]        
Insurance premiums, receivable       $ 1,300
Customer Concentration Risk [Member] | Trade Accounts Receivable [Member]        
Product Information [Line Items]        
Concentration risk, percentage 56.00%   73.00%  
Previously Reported [Member]        
Product Information [Line Items]        
Reclassification of deferred revenue     $ 92