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Note 16 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 02, 2020
Jun. 30, 2023
Mar. 31, 2022
Dec. 31, 2021
Jun. 30, 2023
Jun. 30, 2022
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2020
Issuance of common stock upon exercise of stock options, net (in shares)         258,871 130,000      
Gross Proceeds from Stock Options Exercised         $ 87 $ 253      
Issuance of common stock upon vesting of restricted stock units (in shares)         253,012 251,918      
Stock Repurchased During Period, Value     $ 557 $ 441          
Common Stock, Dividends, Per Share, Declared (in dollars per share)         $ 0 $ 0      
Share Buyback Program [Member]                  
Stock Repurchased and Retired During Period, Shares         0 259,310      
Stock Repurchase Program, Authorized Amount                 $ 5,000
Stock Repurchased During Period, Value           $ 998      
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased (in shares)   3,000,000     3,000,000        
Assets Acquisition of Amika Mobile Corporation [Member]                  
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Each Anniversaries 191,267                
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares 573,801       69,564        
Business Acquisition, Share Price $ 5.98                
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable $ 3,431                
Assets Acquisition of Amika Mobile Corporation [Member] | Former Owner of Amika Mobile [Member]                  
Stock Issued During Period, Shares, Acquisitions         69,564   69,564 365,109  
Share-Based Payment Arrangement, Employee [Member]                  
Issuance of common stock upon exercise of stock options, net (in shares)   146,927              
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises, Net Share Settlement Transaction   786,747              
Stock Used as Consideration of Option Exercises   565,214              
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation   74,606              
Share-Based Payment Arrangement, Employee [Member] | Incentive Stock Options [Member]                  
Issuance of common stock upon exercise of stock options, net (in shares)   150,753              
Stock Repurchased and Retired During Period, Shares   109,488