Commitments, Contingencies, Guarantees and Indemnifications (Tables)

12 Months Ended

Mar. 31, 2013

Commitments and Contingencies Disclosure [Abstract]

Assets under capital lease obligations

As of March 31, 2013 and 2012, the following assets are under capital lease obligations and included in property and equipment:

	March 31,
	2013			2012
Leased laboratory and computer equipment	$	133,200		$	139,700
Accumulated amortization		(114,900	)		(119,200	)
	$	18,300		$	20,500

Future minimum payments required under Capital Leases

Amortization expense for assets recorded under capital leases is included in depreciation expense.  Future minimum payments, by year and in the aggregate, required under capital leases are as follows:

	Equipment
Fiscal Years Ending March 31,	Capital Leases
2014	$	8,600
2015		4,300
2016		1,200
2017		1,200
2018		100
Future minimum lease payments		15,400
Less imputed interest included in minimum lease payments		(1,700	)
Present value of minimum lease payments		13,700
Less current portion		(7,600	)
Non-current capital lease obligation	$	6,100

Future minimum principal payments related to Long-Term Debt

Long-Term Debt Repayment

At March 31, 2013, future minimum principal payments related to long-term debt were as follows:

Fiscal Years Ending March 31,	Amount
2014	$	684,200
2015		609,800
2016		541,700
2017		185,800
2018		18,000
Thereafter through October 2023		71,600
	$	2,111,100