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Note 17 - Stockholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended		9 Months Ended
	Jun. 07, 2021	Oct. 02, 2020	Jun. 30, 2021	Mar. 31, 2020	Jun. 30, 2021	Jun. 30, 2020	Mar. 18, 2021	Mar. 17, 2021	Sep. 30, 2020	Dec. 31, 2018
Common Stock, Shares Authorized (in shares)			100,000,000		100,000,000		100,000,000	50,000,000	100,000,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period (in shares)					86,462	512,019
Gross Proceeds from Stock Options Exercised					$ 170
Proceeds from Stock Options Exercised					$ 170	$ 996
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures, Total (in shares)					206,560	185,043
Share Price (in dollars per share)	$ 5.05	$ 5.98	$ 5.48		$ 5.48
Stock Repurchased During Period, Value				$ 398
Common Stock, Dividends, Per Share, Declared (in dollars per share)					$ 0	$ 0
Share Buyback Program [Member]
Stock Repurchase Program, Authorized Amount										$ 5,000
Stock Repurchased and Retired During Period, Shares (in shares)					0	156,505
Stock Repurchased During Period, Value						$ 398
Assets Acquisition of Amika Mobile Corporation [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares, Each Anniversaries (in shares)		191,267
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)		573,801	452,098
Business Acquisition, Share Price (in dollars per share)		$ 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 (in shares)			121,703
Zonehaven, Inc [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	2,165,824
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 10,938				$ 10,938	$ (0)

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