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Note 18 - Segment Information - Segment Disclosures (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Revenue from Contract with Customer, Including Assessed Tax	$ 43,010	$ 36,979
Operating Income (loss)	6,041	3,136
Depreciation and amortization	800	825
Income Tax (Benefit) Expense	(5,706)	572
Long-lived assets	5,345	5,751
Total assets	71,372	47,120
Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	1,692	908
Hardware [Member]
Revenue from Contract with Customer, Including Assessed Tax	41,412	34,931
Operating Income (loss)	6,546	3,097
Depreciation and amortization	483	517
Income Tax (Benefit) Expense	(5,706)	572
Long-lived assets	1,924	2,283
Total assets	66,357	42,470
Hardware [Member] | Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax
Software [Member]
Revenue from Contract with Customer, Including Assessed Tax	1,598	2,048
Operating Income (loss)	(505)	39
Depreciation and amortization	317	308
Income Tax (Benefit) Expense
Long-lived assets	3,421	3,468
Total assets	5,015	4,650
Software [Member] | Intersegment Eliminations [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 1,692	$ 908

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