Note 14 - Acquisitions - Pro Forma Information (Details) - Woorank and Hawk Search [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	9 Months Ended
	Jun. 30, 2021	Jun. 30, 2021
Revenue	$ 4,412	$ 13,342
Net income (loss) attributable to common shareholders - basic	(3,605)	(5,841)
Net income (loss) attributable to common shareholders - diluted	$ (3,605)	$ (5,841)
Net income (loss) per share attributable to common shareholders:
Basic (in dollars per share)	$ (0.61)	$ (1.14)
Diluted (in dollars per share)	$ (0.61)	$ (1.14)
Weighted average common shares outstanding - basic (in shares)	5,939,021	5,117,586
Weighted average common shares outstanding - diluted (in shares)	5,939,021	5,117,586