Note 2 - Acquisition (Details) - Fair Value of Assets Acquired and Liabilities Assumed (USD $)	9 Months Ended		1 Months Ended
	Jun. 30, 2014	Sep. 30, 2013	Feb. 28, 2014 Nave Communications [Member]	Jun. 30, 2014 Nave Communications [Member]
Note 2 - Acquisition (Details) - Fair Value of Assets Acquired and Liabilities Assumed [Line Items]
Cash and cash equivalents			$ 113,000
Accounts receivable			1,651,000
Inventories			2,287,000	3,300,000
Property and equipment			406,000
Other non-current assets			120,000
Intangible assets			8,228,000
Goodwill	3,004,482	1,150,060	1,855,000
Total assets acquired			14,660,000
Liabilities assumed:
Accounts payable			1,821,000
Accrued expenses			275,000
Capital lease obligation – current portion			21,000
Capital lease obligation			55,000
Total liabilities assumed			2,172,000
Net assets acquired			12,488,000
Less cash acquired			113,000
Net purchase price	$ 9,630,647		$ 12,374,985