Consolidated Statements of Income (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011
Revenue:
Interest and fee income on finance receivables	$ 82,072,643	$ 80,470,980	$ 73,661,457
Sales	37,803	44,070	53,622
Total revenue	82,110,446	80,515,050	73,715,079
Expenses:
Cost of sales	11,624	12,177	12,866
Marketing	1,452,659	1,252,854	1,224,484
Salaries and employee benefits	18,325,945	17,582,967	16,430,763
Administrative	9,039,688	7,791,840	7,776,887
Dividend tax	1,492,227	179,651
Provision for credit losses	13,391,875	12,367,593	15,611,544
Depreciation	284,594	287,839	266,686
Interest expense	5,120,827	4,891,854	5,599,951
Change in fair value of interest rate swap agreements	504,852		(495,136)
Total operating expenses	49,624,291	44,366,775	46,428,045
Operating income before income taxes	32,486,155	36,148,275	27,287,034
Income tax expense	12,545,209	13,926,516	10,518,740
Net income	$ 19,940,946	$ 22,221,759	$ 16,768,294
Earnings per share:
Basic (in dollars per share)	$ 1.66	$ 1.89	$ 1.44
Diluted (in dollars per share)	$ 1.63	$ 1.85	$ 1.41
Dividends declared per share (in dollars per share)	$ 2.46	$ 0.30	$ 0.00