|
Statements Of Income (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2012
|
Sep. 30, 2011
|
Sep. 30, 2012
|
Sep. 30, 2011
|
|
| Revenue | ||||
| Product sales | $ 5,231,332 | $ 5,557,299 | $ 12,262,077 | $ 12,580,573 |
| Contract research and development | 591,464 | 1,041,334 | 1,023,624 | 2,231,822 |
| Total revenue | 5,822,796 | 6,598,633 | 13,285,701 | 14,812,395 |
| Cost of sales | 1,606,913 | 2,277,926 | 3,409,266 | 4,873,518 |
| Gross profit | 4,215,883 | 4,320,707 | 9,876,435 | 9,938,877 |
| Expenses | ||||
| Selling, general , and administrative | 607,694 | 606,847 | 1,143,804 | 1,222,677 |
| Research and development | 612,258 | 611,595 | 1,300,284 | 1,106,471 |
| Total expenses | 1,219,952 | 1,218,442 | 2,444,088 | 2,329,148 |
| Income from operations | 2,995,931 | 3,102,265 | 7,432,347 | 7,609,729 |
| Interest income | 621,950 | 597,363 | 1,184,568 | 1,162,892 |
| Income before taxes | 3,617,881 | 3,699,628 | 8,616,915 | 8,772,621 |
| Provision for income taxes | 1,174,998 | 1,144,535 | 2,796,374 | 2,778,300 |
| Net income | $ 2,442,883 | $ 2,555,093 | $ 5,820,541 | $ 5,994,321 |
| Net income per share - basic | $ 0.51 | $ 0.53 | $ 1.21 | $ 1.26 |
| Net income per share - diluted | $ 0.50 | $ 0.52 | $ 1.19 | $ 1.22 |
| Weighted average shares outstanding | ||||
| Basic | 4,825,441 | 4,776,198 | 4,825,095 | 4,776,198 |
| Diluted | 4,884,656 | 4,896,525 | 4,882,524 | 4,896,525 |