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Note 4 - Acquisitions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 13, 2019
Feb. 13, 2019
Jun. 30, 2019
Jun. 30, 2019
Jun. 30, 2018
Sep. 30, 2018
Payments to Acquire Businesses, Gross $ 5,608     $ 5,638  
Business Combination, Consideration Transferred, Liabilities Incurred 97          
Amortization of Intangible Assets, Total       306 $ 214 $ 242
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual     $ 968 1,263    
Seevolution Inc [Member]            
Payments to Acquire Businesses, Gross   $ 418        
Business Combination, Consideration Transferred, Liabilities Incurred   97        
Business Combination, Consideration Transferred, Liabilities Incurred, Monthly Payment   $ 10        
Business Combination, Monthly Payment Term   300 days        
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares   40,000        
Finite-lived Intangible Assets Acquired   $ 1,000        
Amortization of Intangible Assets, Total     55 83    
Seevolution Inc [Member] | Customer Relationships [Member]            
Finite-lived Intangible Assets Acquired   602        
Seevolution Inc [Member] | Technology-Based Intangible Assets [Member]            
Finite-lived Intangible Assets Acquired   $ 401        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   5 years        
Seevolution Inc [Member] | Trademarks [Member]            
Finite-lived Intangible Assets Acquired   $ 21        
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life   1 year        
Stantive Technologies Group Inc [Member]            
Payments to Acquire Businesses, Gross 5,190          
Business Combination, Consideration Transferred, Liabilities Incurred          
Finite-lived Intangible Assets Acquired 3,000          
Amortization of Intangible Assets, Total     $ 182 $ 212    
Stantive Technologies Group Inc [Member] | Customer Relationships [Member]            
Finite-lived Intangible Assets Acquired 1,700          
Stantive Technologies Group Inc [Member] | Technology-Based Intangible Assets [Member]            
Finite-lived Intangible Assets Acquired $ 1,200          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 5 years          
Stantive Technologies Group Inc [Member] | Trademarks [Member]            
Finite-lived Intangible Assets Acquired $ 75          
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 1 year