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Statements of Comprehensive Income (USD $)
|
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
|
Sep. 30, 2014
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Sep. 30, 2013
|
Sep. 30, 2014
|
Sep. 30, 2013
|
|
| Comprehensive Income [Abstract] | ||||
| Net income | $ 3,875,622 | $ 3,229,651 | $ 7,912,732 | $ 5,796,476 |
| Unrealized loss from marketable securities, net of tax | (404,731) | 244,389 | (309,883) | (610,646) |
| Comprehensive income | $ 3,470,891 | $ 3,474,040 | $ 7,602,849 | $ 5,185,830 |