Condensed Statements of Operations (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Net revenues	$ 406,400	$ 272,100	$ 1,184,600	$ 1,927,500
Cost of revenues	114,600	233,400	425,800	910,900
Gross margin	291,800	38,700	758,800	1,016,600
Operating expenses:
Research and development	176,600	172,300	537,300	814,200
Sales, general and administrative	232,100	270,600	846,500	944,800
Total operating expenses	408,700	442,900	1,383,800	1,759,000
Loss from operations	(116,900)	(404,200)	(625,000)	(742,400)
Interest and other expense, net	(2,100)		(5,000)	5,700
Loss before taxes	(119,000)	(404,200)	(630,000)	(736,700)
Tax provision	800	600	800	2,900
Net loss	$ (119,800)	$ (404,800)	$ (630,800)	$ (739,600)
Basic and diluted:
Loss per share (in dollars per share)	$ (0.02)	$ (0.06)	$ (0.08)	$ (0.11)
Weighted average shares outstanding (in shares)	7,748,267	6,817,771	7,574,429	6,815,549