Condensed Consolidated Statements of Operations (unaudited) (USD $)	3 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 13,845,666	$ 10,946,405
Cost of sales	6,877,193	5,542,274
Gross profit	6,968,473	5,404,131
Operating expenses:
Marketing and selling	4,504,120	3,881,980
Research and development	376,269	277,855
General and administrative	2,108,813	1,709,093
Total operating expenses	6,989,202	5,868,928
Loss from operations	(20,729)	(464,797)
Other income (expense):
Interest income	9,735	52,570
Interest expense	(81,150)	(31,259)
Other expense	(19,655)	(16,282)
Net loss before income taxes	(111,799)	(459,768)
Income tax benefit	(36,452)	(290,686)
Net loss	$ (75,347)	$ (169,082)
Net loss per share - basic	$ (0.01)	$ (0.01)
Net loss per share - diluted	$ (0.01)	$ (0.01)
Weighted average number of common shares outstanding-basic	12,136,125	12,127,268
Weighted average number of common shares outstanding-diluted	12,136,125	12,127,268