Condensed Consolidated Statements of Operations (Unaudited) (USD $)	3 Months Ended		9 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Revenues:
Product sales	$ 2,936,179	$ 2,261,047	$ 8,821,963	$ 19,696,907
Contract and other	224,732	120,836	351,024	393,439
Total revenues	3,160,911	2,381,883	9,172,987	20,090,346
Cost of revenues	1,586,018	1,477,023	4,532,497	7,325,296
Gross profit	1,574,893	904,860	4,640,490	12,765,050
Operating expenses:
Selling, general and administrative	1,120,358	1,118,729	3,370,211	6,562,834
Research and development	414,457	514,178	1,225,165	1,559,088
Total operating expenses	1,534,815	1,632,907	4,595,376	8,121,922
Income (Loss) from operations	40,078	(728,047)	45,114	4,643,128
Interest income	6,780	4,495	26,502	12,685
Income (Loss) from continuing operations before income taxes	46,858	(723,552)	71,616	4,655,813
Income tax (benefit) expense	(153,518)	(38,112)	(150,818)	73,983
Income (loss) from continuing operations	200,376	(685,440)	222,434	4,581,830
Income from discontinued operations, net of tax		1,606		83,231
Net income (loss)	$ 200,376	$ (683,834)	$ 222,434	$ 4,665,061
Net income (loss) per common share - basic and diluted:
Continuing operations	$ 0.01	$ (0.02)	$ 0.01	$ 0.15
Discontinued operations	$ 0.00	$ 0.00	$ 0.00	$ 0.00
Total	$ 0.01	$ (0.02)	$ 0.01	$ 0.15
Weighted average common shares outstanding:
Basic	32,374,499	32,335,846	32,374,499	30,616,660
Diluted	33,492,944	32,335,846	33,168,978	31,560,456