Note 3 - Inventories (Details Textual) - USD ($)	6 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Oct. 14, 2016
Inventory Write-down	$ 284,577	$ 300,000
Telco [Member]
Inventory Write-down	300,000
Cable TV [Member]
Inventory Write-down	300,000	$ 2,500,000
Triton Miami, Inc. [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory			$ 1,149,000
Triton Miami, Inc. [Member] | Telco [Member] | New Inventory [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	200,000
Triton Miami, Inc. [Member] | Telco [Member] | Refurbished Inventory [Member]
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory	$ 1,000,000