Note 3 - Stock-Based Compensation (Details) - Summary of Stock Option Activity (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Sep. 30, 2013	Sep. 30, 2012
Summary of Stock Option Activity [Abstract]
Weighted Average Exercise Price			$ 5.04	$ 4.53
# of shares			84,600	121,600
Weighted Average Exercise Price		$ 6.87
# of shares	34,601	12,000
Weighted Average Exercise Price	$ 5.04	$ 4.74	$ 5.04	$ 4.53
# of shares	84,600	133,600	84,600	121,600
Weighted Average Remaining Contractual Term (in years)	6 years 262 days	4 years 354 days
Aggregate Intrinsic Value	$ 104,656	$ 218,446
Weighted Average Exercise Price	$ 5.04	$ 4.53
# of shares	84,600	121,600
Weighted Average Remaining Contractual Term (in years)	6 years 262 days	4 years 302 days
Aggregate Intrinsic Value	$ 104,656	$ 206,760