Statements of Income (Unaudited) - USD ($) |
3 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Revenue | ||
| Product sales | $ 7,735,865 | $ 8,348,081 |
| Contract research and development | 585,054 | 104,954 |
| Total revenue | 8,320,919 | 8,453,035 |
| Cost of sales | 1,993,928 | 1,558,346 |
| Gross profit | 6,326,991 | 6,894,689 |
| Selling, general, and administrative | 484,764 | 629,650 |
| Research and development | 681,001 | 803,428 |
| Total expenses | 1,165,765 | 1,433,078 |
| Income from operations | 5,161,226 | 5,461,611 |
| Interest income | 485,798 | 548,554 |
| Income before taxes | 5,647,024 | 6,010,165 |
| Provision for income taxes | 1,843,798 | 1,973,055 |
| Net income | $ 3,803,226 | $ 4,037,110 |
| Net income per share – basic (in dollars per share) | $ 0.78 | $ 0.83 |
| Net income per share – diluted (in dollars per share) | 0.78 | $ 0.83 |
| Cash dividends declared per common share (in dollars per share) | $ 1 | |
| Basic (in shares) | 4,854,841 | 4,851,043 |
| Diluted (in shares) | 4,860,848 | 4,867,459 |