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Note 16 - Stockholders' Equity (Details Textual) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Oct. 02, 2020
Sep. 30, 2022
Sep. 30, 2021
Mar. 18, 2021
Mar. 17, 2021
Dec. 31, 2018
Common Stock, Shares Authorized   100,000,000 100,000,000 100,000,000 50,000,000  
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period   145,235 104,796      
Gross Proceeds from Stock Options Exercised   $ 282 $ 210      
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)     228,633      
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable   $ (0) $ 10,938      
Preferred Stock, Shares Authorized   5,000,000 5,000,000      
Preferred Stock, Par or Stated Value Per Share   $ 0.00001 $ 0.00001      
Preferred Stock, Shares Outstanding, Ending Balance (in shares)   0 0      
Stock Repurchased During Period, Value   $ 998        
Share Buyback Program [Member]            
Stock Repurchase Program, Authorized Amount           $ 5,000
Stock Repurchased and Retired During Period, Shares   259,310        
Stock Repurchased During Period, Value   $ 998        
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 573,801 139,128        
Business Acquisition, Share Price $ 5.98          
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable $ 3,431   $ 3,431      
Assets Acquisition of Amika Mobile Corporation [Member] | Former Owner of Amika Mobile [Member]            
Stock Issued During Period, Shares, Acquisitions   69,564 365,109      
Restricted Stock Units (RSUs) [Member]            
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)   270,262