Statements of Comprehensive Income (Unaudited) - USD ($) |
3 Months Ended | |
|---|---|---|
Jun. 30, 2015 |
Jun. 30, 2014 |
|
| Net income | $ 3,803,226 | $ 4,037,110 |
| Unrealized (loss) gain from marketable securities, net of tax | (308,499) | 94,848 |
| Comprehensive income | $ 3,494,727 | $ 4,131,958 |