|
Stock-Based Compensation (Narrative) (Details) (USD $)
|
12 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2013
|
Mar. 31, 2012
|
Mar. 31, 2011
|
|
| Stock-based compensation expense | $ 66,720 | $ 80,160 | $ 76,720 |
| Vesting period | 5 years | ||
| Dividend yield | 0.00% | 0.00% | 0.00% |
| Deferred tax assets increased from stock-based compensation | 24,239 | 29,122 | |
| Intrinsic value of options exercised | 1,881,138 | ||
| Intrinsic value of options outstanding | 1,290,440 | ||
| Fair value of option grants | $ 66,720 | ||
|
Maximum [Member]
|
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| Exercisable lives | 10 years | ||
|
Minimum [Member]
|
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| Exercisable lives | 1 year | ||
|
Options [Member]
|
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| Weighted-average exercisable life | 4 years 7 months 6 days | 3 years 8 months 12 days | 4 years 3 months 18 days |
|
Warrants [Member]
|
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| Weighted-average exercisable life | 10 months 24 days | 10 months 24 days | 1 year 10 months 24 days |