STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Product revenue	$ 1,926,040	$ 1,947,849	$ 6,387,799	$ 6,389,880
Contract research revenue	56,363	140,569	181,363	493,740
Sales Revenue, Net	1,982,403	2,088,418	6,569,162	6,883,620
Cost of product revenue	1,373,258	1,675,287	5,021,258	5,292,643
Cost of contract research revenue	46,969	118,225	147,552	331,704
Cost of Goods and Services Sold	1,420,227	1,793,512	5,168,810	5,624,347
Gross profit	562,176	294,906	1,400,352	1,259,273
General and administrative expense	247,470	239,027	818,939	790,261
Research and development expense	62,646	133,205	230,035	495,392
Marketing and sales expense	139,381	131,096	399,185	407,068
Income (loss) from operations	112,679	(208,422)	(47,807)	(433,448)
Other income (expense)
Interest income	187	543	810	2,129
Interest expense	(20,030)	(20,042)	(65,214)	(57,708)
(Loss) gain on disposal of equipment	(850)	0	(850)	425
Nonoperating Income (Expense)	(20,693)	(19,499)	(65,254)	(55,154)
Income (loss) before provision for income tax	91,986	(227,921)	(113,061)	(488,602)
Income tax (expense) benefit	(1,237)	(156,637)	24,652	(165,112)
Net income (loss)	90,749	(384,558)	(88,409)	(653,714)
Dividends on preferred stock	(6,038)	(6,038)	(18,114)	(18,114)
INCOME (LOSS) APPLICABLE TO COMMON SHARES	$ 84,711	$ (390,596)	$ (106,523)	$ (671,828)
Earnings per share - basic and diluted (Note 6)
Basic (in dollars per share)	$ 0.02	$ (0.10)	$ (0.03)	$ (0.18)
Diluted (in dollars per share)	$ 0.02	$ (0.10)	$ (0.03)	$ (0.18)
Weighted average shares outstanding
Basic (in shares)	3,817,963	3,779,768	3,812,019	3,778,620
Diluted (in shares)	3,827,774	3,779,768	3,812,019	3,778,620