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Summary of Significant Accounting Policies (Tables)

12 Months Ended

Mar. 31, 2014

Accounting Policies [Abstract]

Schedule of cash dividends declared

Fiscal Year		Date Declared		Record Date		Date Paid		Amount of Dividend
		May 7, 2013		June 21, 2013		June 28, 2013		$0.12
		August 13, 2013		September 20, 2013		September 27, 2013		0.12

2014								$0.24

		May 2, 2012		May 30, 2012		June 6, 2012		$0.10
		August 8, 2012		August 30, 2012		September 6, 2012		0.12
		November 9, 2012		November 30, 2012		December 6, 2012		0.12
		December 11, 2012		December 21, 2012		December 28, 2012		2.00
		February 19, 2013		March 22, 2013		March 29, 2013		0.12

2013								$2.46

		August 30, 2011		September 13, 2011		September 20, 2011		$0.10
		October 27, 2011		December 13, 2011		December 20, 2011		0.10
		January 31, 2012		March 13, 2012		March 20, 2012		0.10

2012								$0.30

Schedule of property and equipment estimated useful lives


Automobiles		3 years
Equipment		5 years
Furniture and fixtures		7 years
Leasehold improvements		Lesser of lease term or useful life (generally 6 -7 years)

Schedule of computation of basic and diluted earnings per share

		Fiscal Year ended March 31,
		2014				2013				2012
Numerator for earnings per share – net income		$	16,703,352			$	19,940,946			$	22,221,759

Denominator:
Denominator for basic earnings per share – weighted average shares			12,096,000				11,977,174				11,747,160
Effect of dilutive securities:
Stock options and other share awards			229,000				241,242				285,971

Denominator for diluted earnings per share			12,325,000				12,218,416				12,033,131

Earnings per share – basic		$	1.38			$	1.66			$	1.89

Earnings per share – diluted		$	1.36			$	1.63			$	1.85