Income Taxes (Details) (USD $)	12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Deferred:
Federal	$ 981,000	$ 891,000
State	101,000	92,000
Total deferred	1,082,000	983,000
Valuation allowance	(1,082,000)	(983,000)
Total	0	0
Reconciliation of the income taxes computed at the federal statutory rate and the provision for income taxes
Federal statutory rate	(219,000)	(180,000)
Effect of:
State taxes, net of federal tax benefit	(23,000)	(19,000)
Other	40,000	46,000
Valuation allowance	202,000	153,000
Total	0	0
Components of deferred tax asset
Credits and net operating loss carryforwards	2,838,000	3,877,000
Other	104,000	135,000
Gross deferred tax assets	2,942,000	4,012,000
Valuation allowance	(2,942,000)	(4,012,000)
Total deferred tax assets	0	0
Net operating loss carryovers	7,700,000
Income tax deductions related to stock options	582,000
Research and Development
Income Taxes
Research and development tax credits	$ 168,000