Consolidated Statements Of Income - USD ($)	12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2014
Consolidated Statements Of Income [Abstract]
Net revenues	$ 22,127,342	$ 32,604,865	$ 24,490,586
Cost of sales	8,777,858	13,634,906	11,369,108
Gross profit	13,349,484	18,969,959	13,121,478
Operating expenses:
Research and development	99,393	219,815	5,575
Advertising	88,866	0	58,121
Selling, general and administrative	8,660,174	12,131,737	9,133,870
Business acquisition	1,482,539
Total operating expenses	10,330,972	12,351,552	9,197,566
Operating income	3,018,512	6,618,407	3,923,912
Non-operating (expense) income:
Interest and other (expense) income, net	(57,056)	10,150	117,123
Foreign currency transaction (loss) gain	(147,540)	58,483	(83,844)
Total non-operating (expense) income	(204,596)	68,633	33,279
Income before income taxes	2,813,916	6,687,040	3,957,191
Income tax expense	2,469,191	2,341,004	1,524,130
Net income	$ 344,725	$ 4,346,036	$ 2,433,061
Net income per basic common share outstanding	$ 0.01	$ 0.15	$ 0.09
Basic weighted average common shares outstanding	28,666,477	28,532,327	28,522,525
Net income per diluted common share outstanding	$ 0.01	$ 0.15	$ 0.08
Diluted weighted average common shares outstanding	28,926,557	28,917,048	28,865,384
Cash dividends declared per common share			$ 0.21