Note 7 - Segment Reporting - Segment Reporting Information (Details) (USD $)	3 Months Ended	6 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Sales	$ 11,366,539us-gaap_SalesRevenueNet	$ 8,313,815us-gaap_SalesRevenueNet	$ 22,203,697us-gaap_SalesRevenueNet	$ 14,433,549us-gaap_SalesRevenueNet
Gross profit	4,243,512us-gaap_GrossProfit	2,231,167us-gaap_GrossProfit	8,075,315us-gaap_GrossProfit	4,094,395us-gaap_GrossProfit
Operating income	440,357us-gaap_OperatingIncomeLoss	(428,253)us-gaap_OperatingIncomeLoss	1,196,701us-gaap_OperatingIncomeLoss	(194,901)us-gaap_OperatingIncomeLoss
Operating Segments [Member] \| Cable TV [Member]
Sales	5,792,272	7,248,191	12,625,291	13,367,925
Gross profit	1,787,639	1,852,660	3,822,484	3,715,888
Operating income	347,839	264,365	966,650	497,717
Operating Segments [Member] \| Telco [Member]
Sales	5,813,777	1,065,624	9,850,071	1,065,624
Gross profit	2,455,873	378,507	4,252,831	378,507
Operating income	92,518	(692,618)	230,051	(692,618)
Intersegment Eliminations [Member]
Sales	$ (239,510)		$ (271,665)

Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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- Definition

The net result for the period of deducting operating expenses from operating revenues.

+ References

No definition available.

+ Details

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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