Income Taxes (Schedule of Deferred Tax Assets) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Mar. 31, 2013
Deferred tax assets:
Net operating loss carryforward	$ 15,379	$ 13,505
Research credits	60	51
Expenses recognized for granting of options and warrants	1,651	1,319
Accrued expenses and reserves	135	32
Valuation allowance	(17,225)	(14,907)
Total deferred tax assets	$ 0us-gaap_DeferredTaxAssetsNet	$ 0us-gaap_DeferredTaxAssetsNet

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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