Consolidated Statements of Operations (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenues
Product sales	$ 1,420,000	$ 925,000
License, royalty and development fees	775,000	941,000
Total revenues	2,195,000	1,866,000
Cost of sales	813,000	897,000
Gross profit	1,382,000	969,000
Operating expenses
Research, development and regulatory	444,000	605,000
Selling, general and administrative	1,609,000	1,844,000
Impairment of long-lived assets	0	16,000
Total operating expenses	2,053,000	2,465,000
Income (loss) from operations	(671,000)	(1,496,000)
Interest and other expenses
Interest expense	340,000	165,000
Loss on extinguishment of promissory note		151,000
Total interest and other expense	340,000	316,000
Net loss	$ (1,011,000)	$ (1,812,000)
Net income (loss) per common share, basic and diluted	$ (0.05)	$ (0.08)
Shares used in computing net income (loss) per common share, basic	21,491	21,415
Shares used in computing net income (loss) per common share, diluted	21,491	21,415