Note 2 - Acquisition (Details Textual) - USD ($)		3 Months Ended		6 Months Ended
	Oct. 14, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016
Business Combination, Consideration Transferred, Liabilities Incurred				$ 1,897,372
Interest Expense		$ 97,333	$ 62,307	193,977	130,068
Term Loan 3 [Member]
Debt Instrument, Face Amount	$ 4,000,000
Triton Miami, Inc. [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 1,897,372
Business Combination, Consideration Transferred, Maximum Contractual Term	3 years
Business Combination, Contingent Consideration, Earnout Payments as Percentage of Acquirees Annual EBITDA in Excess of Threshold	60.00%
Business Combination, Consideration Transferred, Minimum Annual EBITDA	$ 1,200,000
Business Combination, Term for Finalizing Purchase Price Allocation	1 year
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles	$ 4,841,000
Amortization of Intangible Assets			100,000	21,000	300,000
Business Combination, Contingent Consideration Arrangements Earn-out Expense			100,000	19,000	200,000
Interest Expense			$ 44,000	$ 7,000	100,000
Business Combination, Acquisition Related Costs					$ 200,000
Triton Miami, Inc. [Member] | Other Current Liabilities [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	700,000
Triton Miami, Inc. [Member] | Other Noncurrent Liabilities [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 1,200,000