STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Product revenue	$ 7,886,259	$ 8,530,780
Contract research revenue	90,170	226,369
Total revenue	7,976,429	8,757,149
Cost of product revenue	6,363,489	6,913,807
Cost of contract research revenue	76,648	186,180
Total cost of revenue	6,440,137	7,099,987
Gross profit	1,536,292	1,657,162
General and administrative expense	1,052,181	1,109,197
Research and development expense	324,035	311,646
Marketing and sales expense	448,166	502,628
Loss from operations	(288,090)	(266,309)
Interest, net	(73,245)	(85,570)
Gain (loss) on disposal of equipment	73,689	(1,441)
Other income (expense)	444	(87,011)
Loss before income taxes	(287,646)	(353,320)
Income tax benefit	0	(27,348)
Net loss	(287,646)	(325,972)
Dividends on preferred stock	(24,152)	(24,152)
LOSS APPLICABLE TO COMMON STOCK	$ (311,798)	$ (350,124)
Earnings per share - basic and diluted (Note 6)
Basic (in dollars per share)	$ (0.08)	$ (0.09)
Diluted (in dollars per share)	$ (0.08)	$ (0.09)
Weighted average shares outstanding
Basic (in shares)	3,839,117	3,814,996
Diluted (in shares)	3,839,117	3,814,996