STATEMENTS OF OPERATIONS (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
STATEMENTS OF OPERATIONS
Sales, net	$ 34,520,630	$ 30,785,127	$ 33,644,503
Cost of Sales
Cost of manufactured product	19,770,226	18,000,408	19,776,198
Royalty expense to shareholders	2,728,701	2,474,762	2,691,887
Total cost of sales	22,498,927	20,475,170	22,468,085
Gross profit	12,021,703	10,309,957	11,176,418
Operating expenses:
Sales and marketing	3,967,081	4,414,339	4,220,809
Research and development	616,784	837,073	871,851
General and administrative	9,595,399	10,989,790	10,022,621
Total operating expenses	14,179,264	16,241,202	15,115,281
Loss from operations	(2,157,561)	(5,931,245)	(3,938,863)
Interest and other income	33,941	38,943	46,999
Interest expense, net	(222,808)	(230,578)	(231,210)
Loss before income taxes	(2,346,428)	(6,122,880)	(4,123,074)
Provision for income taxes	8,177	90,972	9,818
Net loss	(2,354,605)	(6,213,852)	(4,132,892)
Preferred Stock dividend requirements	(915,225)	(916,065)	(918,108)
Loss applicable to common shareholders	$ (3,269,830)	$ (7,129,917)	$ (5,051,000)
Basic loss per share (in dollars per share)	$ (0.12)	$ (0.26)	$ (0.19)
Diluted loss per share (in dollars per share)	$ (0.12)	$ (0.26)	$ (0.19)
Weighted average common shares outstanding:
Basic (in shares)	27,375,450	26,999,698	26,219,728
Diluted (in shares)	27,375,450	26,999,698	26,219,728