Stock Options (Tables)

12 Months Ended

Mar. 31, 2013

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

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

	For the year ended March 31,
	2013	2012	2011
Grant-date fair value	-	$  5.69	$  5.15
Volatility factor	-	85.92%	82.83%
Dividend yield	-	-	-
Risk-free interest rate	-	1.49%	2.07%
Expected term (in years)	-	7.25	7

Summary of activity of stock options

		Number of Shares	Weighted Average Exercise Price Per Share	Weighted Aggregate Average Remaining Contract Life in Years	Intrinsic Value
Outstanding at April 1, 2010		107,500	$         5.94	2.51	$     237,088
	Granted	42,500	6.24
	Exercised	(85,250)	6.26
	Forfeited or Expired	(11,000)	5.89
Outstanding at March 31, 2011		53,750	$         5.69	7.33	$     401,200
	Granted	40,000	6.80
	Exercised	(10,000)	4.00
	Forfeited or Expired	-	-
Outstanding at March 31, 2012		83,750	$         6.42	8.65	$     127,363
	Granted	-	-
	Exercised	(3,750)	4.35
	Forfeited or Expired	-	-
Outstanding at March 31, 2013		80,000	$         6.52	8.03	$                 -
Vested at March 31, 2013		30,000	$         6.42	7.82	$                 -
Exercisable at March 31, 2013		30,000	$         6.42	7.82	$                 -

Other information pertaining to option activity

	2013		2012		2011
Weighted average grant-date fair value of stock options granted (per share)	$	—	$	5.69	$	5.15
Total fair value of options vested	$	160,125	$	59,875	$	37,200
Total intrinsic value of options exercised	$	3,138	$	38,600	$	533,831

Summary information about options outstanding at March 31, 2013

Range of Exercise Prices	Number of Options	Weighted Average Exercise Price Per Share	Weighted Average Remaining Contract Life in Years	Aggregate Intrinsic Value
6.00 – 6.29	40,000	6.23
6.30 – 6.80	40,000	6.80
$  6.00 – 6.29	80,000	$              6.52	8.03	$               -