INDEX (USD $)	3 Months Ended	6 Months Ended
	Sep. 30, 2010	Sep. 30, 2010
Sales
License and royalties		$ 38,375,000
Net sales		38,375,000
Costs and expenses
Selling, general and administrative		3,060,000
Total costs and expenses		3,060,000
Operating income (loss)		35,315,000
Interest and other income, net		5,000
Income (loss) before provision for income taxes		35,320,000
Income tax provision (benefit)		14,184,000
Net income (loss)	1,346,000	21,136,000
Basic net income (loss) per share (in Dollars per share)		$ 1.82
Shares used in computing basic per share amounts	11,644,000	11,644,000
Diluted net income (loss) per share (in Dollars per share)		$ 1.81
Shares used in computing diluted per share amounts	11,646,000	11,646,000
Dividend paid per common share		$ 750