Note 19 - Segment Information - Segment Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Revenue from Contract with Customer, Including Assessed Tax	$ 47,003	$ 43,010
Operating Income (Loss)	1,084	6,041
Depreciation and amortization	1,597	800
Income Tax (Benefit) Expense	434	(5,706)
Long-lived assets	38,393	5,345
Total assets	90,128	66,167
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	1,823	1,692
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax	44,233	41,395
Operating Income (Loss)	7,871	8,771
Depreciation and amortization	375	483
Income Tax (Benefit) Expense	434	(5,706)
Long-lived assets	1,748	1,924
Total assets	50,364	61,152
Hardware [Member] | Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	0	0
Software [Member]
Revenue from Contract with Customer, Including Assessed Tax	2,770	1,615
Operating Income (Loss)	(6,787)	(2,730)
Depreciation and amortization	1,222	317
Income Tax (Benefit) Expense	0	0
Long-lived assets	36,645	3,421
Total assets	39,764	5,015
Software [Member] | Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,823	$ 1,692