Annual report pursuant to Section 13 and 15(d)

Note 3 - Revenue From Contracts With Customers (Details Textual)

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Note 3 - Revenue From Contracts With Customers (Details Textual) - USD ($)
11 Months Ended 12 Months Ended
Dec. 13, 2021
Dec. 31, 2021
Dec. 31, 2020
Contract with Customer, Payment Term, Minimum (Day) 15 days    
Contract with Customer, Payment Term, Maximum (Day) 90 days    
Contract with Customer, Transaction Price of Royalties Using Expected Value Method   $ 0  
Revenue from Contract with Customer, Including Assessed Tax   46,000 $ 119,000
Contract with Customer, Asset, Impairment Loss   0 0
Capitalized Contract Cost, Net, Total   0  
Contract with Customer, Asset, after Allowance for Credit Loss, Total   1,000 59,000
Grant [Member]      
Revenue Not from Contract with Customer   $ 88,000 $ 696,000
INDIA      
Contract with Customer, Term of Contract (Year)   8 years  
CHINA      
Contract with Customer, Term of Contract (Year)   10 years