Stock-based Compensation (Tables)

9 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of activity of stock options

	Number of Shares		Weighted Average Exercise Price		Weighted Average Remaining Contract Life in Years		Aggregate Intrinsic Value
Outstanding at March 31, 2012		83,750	$	6.42		8.65	$	127,363
Granted		—		—
Exercised		3,750		4.35
Forfeited or Expired		—		—
Outstanding at December 31, 2012		80,000	$	6.52		8.27	$	—
Vested at December 30, 2012		30,000	$	6.42		8.07	$	550
Exercisable at December 30, 2012		30,000	$	6.42		8.07	$	550

Summary of the grant-date fair value of stock options granted and the related assumptions used in the Binomial models for stock options granted

	Nine Months Ended
	December 31
	2012		2011
Grant-date fair value		—	$	5.69
Volatility factor		—		85.92	%
Dividend yield		—		—
Risk-free interest rate		—		1.49	%
Expected term (in years)		—		7.25

Options outstanding

Range of Exercise Prices		Number of Options		Weighted Average Exercise Price		Weighted Average Remaining Contract Life in Years		Aggregate Intrinsic Value
	$ 6.06 – 6.29		40,000	$	6.23
	6.30 – 6.80		40,000		6.80
	$ 5.25 – 6.80		80,000	$	6.52		8.27	$	—