Statements of Income (Unaudited) - USD ($)
|
3 Months Ended |
Jun. 30, 2021 |
Jun. 30, 2020 |
| Revenue |
$ 7,153,163
|
$ 4,589,262
|
| Cost of sales |
1,769,581
|
836,422
|
| Gross profit |
5,383,582
|
3,752,840
|
| Expenses |
|
|
| Research and development |
808,142
|
880,983
|
| Selling, general, and administrative |
466,618
|
355,011
|
| Total expenses |
1,274,760
|
1,235,994
|
| Income from operations |
4,108,822
|
2,516,846
|
| Interest income |
289,720
|
399,212
|
| Income before taxes |
4,398,542
|
2,916,058
|
| Provision for income taxes |
818,976
|
504,193
|
| Net income |
$ 3,579,566
|
$ 2,411,865
|
| Net income per share – basic (in dollars per share) |
$ 0.74
|
$ 0.50
|
| Net income per share – diluted (in dollars per share) |
0.74
|
0.50
|
| Cash dividends declared per common share (in dollars per share) |
$ 1.00
|
$ 1.00
|
| Weighted average shares outstanding |
|
|
| Weighted average common shares outstanding – basic (in shares) |
4,833,232
|
4,835,038
|
| Diluted (in shares) |
4,836,821
|
4,835,157
|
| Product [Member] |
|
|
| Revenue |
$ 6,953,766
|
$ 4,358,635
|
| Contract Research and Development [Member] |
|
|
| Revenue |
$ 199,397
|
$ 230,627
|