|
Statements of Comprehensive Income (USD $)
|
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
|
| Comprehensive Income [Abstract] | ||||
| Net income | $ 2,777,174 | $ 2,899,342 | $ 8,573,650 | $ 8,719,883 |
| Unrealized loss from marketable securities, net of tax | (151,829) | (22,474) | (762,475) | 509,553 |
| Comprehensive income | $ 2,625,345 | $ 2,876,868 | $ 7,811,175 | $ 9,229,436 |