Fair Value Disclosures (Tables)

12 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Schedule of assets and liabilities recorded at fair value on a recurring basis

	Fair Value Measurement Using
Description	Level 1		Level 2		Level 3		Fair Value
Interest rate swap agreements:
March 31, 2013	$	—	$	504,852	$	—	$	504,852
March 31, 2012	$	—	$	—	$	—	$	—

Schedule of financial instruments not measured at fair value

	Fair Value Measurement Using
Description	Level 1		Level 2		Level 3		Fair Value
Cash:
March 31, 2013	$	2,797,716	$	—	$	—	$	2,797,716
March 31, 2012	$	2,803,054	$	—	$	—	$	2,803,054
Finance receivables:
March 31, 2013	$	—	$	—	$	249,825,801	$	249,825,801
March 31, 2012	$	—	$	—	$	241,253,430	$	241,253,430
Line of credit:
March 31, 2013	$	—	$	125,500,000	$	—	$	125,500,000
March 31, 2012	$	—	$	112,000,000	$	—	$	112,000,000