Annual report pursuant to Section 13 and 15(d)

Note 5 - Acquisitions (Details Textual)

v3.22.0.1
Note 5 - Acquisitions (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Aug. 18, 2021
May 12, 2021
May 27, 2020
May 05, 2020
Nov. 30, 2020
Jun. 08, 2020
Apr. 08, 2020
Stock Issued During Period, Value, Acquisitions         $ 554    
Share Price (in dollars per share)           $ 6.00 $ 2.50
Ballistipax [Member]              
Asset Acquisition, Consideration Transferred, Total $ 342            
Roboro [Member]              
Asset Acquisition, Consideration Transferred, Total   $ 3,702          
Business Acquisition, Percentage of Voting Interests Acquired       100.00%      
Business Combination, Consideration Transferred, Total       $ 600      
Payments to Acquire Businesses, Gross       500      
Business Acquisition, Restricted Shares Issued, Vesting Period (Month)     15 months        
Equity Issued in Business Combination, Fair Value Disclosure       $ 600      
Share Price (in dollars per share)       $ 4.00      
Roboro [Member] | Subscription Agreements [Member]              
Shares, Acquisitions During Period (in shares)       138,889      
Stock Issued During Period, Value, Acquisitions       $ 500      
Business Acquisition, Share Price (in dollars per share)       $ 3.60      
Kore [Member]              
Asset Acquisition, Consideration Transferred, Total   3,700          
Asset Acquisition, Consideration Transferred, Transaction Cost   $ 200