Annual report pursuant to Section 13 and 15(d)

Note 4 - Human Motion and Control Acquisition (Details Textual)

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Note 4 - Human Motion and Control Acquisition (Details Textual) - USD ($)
$ in Thousands
9 Months Ended 12 Months Ended
Dec. 05, 2022
Sep. 30, 2023
Dec. 31, 2023
Dec. 31, 2022
Payments to Acquire Businesses, Gross     $ (0) $ 5,000
Goodwill     431 431
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual       103
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual       $ 289
Human Motion And Control [Member]        
Payments to Acquire Businesses, Gross $ 5,000   5,000  
Business Combination, Consideration Transferred, Liabilities Incurred     4,055  
Business Combination, Consideration Transferred 9,055   9,055  
Goodwill 431   431  
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles 5,240      
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)   8 years    
Amortization of Intangible Assets     $ 325  
Business Acquisition, Goodwill, Expected Tax Deductible Amount   $ 0    
Human Motion And Control [Member] | Subordinated Debt [Member]        
Business Combination, Consideration Transferred, Liabilities Incurred $ 5,000      
Debt Instrument, Interest Rate, Stated Percentage 0.00%      
Debt Instrument, Periodic Payment, Number of Installments 16      
Debt Instrument, Periodic Payment $ 313