Income Taxes (Details Textual) (USD $)	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards available to offset future taxable income	$ 19,522,000	$ 17,374,000
Net operating loss carryforwards available to offset future taxable income for state income tax purposes	(248,000)	938,000
Income Taxes (Textual) [Abstract]
Change in valuation allowance	1,900,000	10,000,000
NOLs annual limitation	37,200,000
Unrecognized tax benefits
Accrued interest and penalties related to uncertain tax positions	0	0
Research [Member]
Operating Loss Carryforwards [Line Items]
Tax credits/incentives	900,000
Tax Credit Expiration Date	Feb. 28, 2021
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credits/incentives	3,800,000
Tax Credit Expiration Date	Feb. 28, 2014
Domestic Country [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards available to offset future taxable income	62,500,000
NOLs	14,500,000
Operating Loss Expiring date	Feb. 28, 2023
Net operating loss carryforward period	3 years
Domestic Country [Member] | Research [Member]
Operating Loss Carryforwards [Line Items]
Development credits	800,000
State [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards available to offset future taxable income for state income tax purposes	47,800,000
Tax credits/incentives	900,000
NOLs	8,000,000
Operating Loss Expiring date	Feb. 28, 2014
Net operating loss carryforward period	4 years
State [Member] | Research [Member]
Operating Loss Carryforwards [Line Items]
Development credits	500,000
Section 382 Limitation [Member] | Research [Member]
Operating Loss Carryforwards [Line Items]
Tax credits/incentives	100,000
Tax Credit Expiration Date	Feb. 28, 2021
Section 382 Limitation [Member] | Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax credits/incentives	0
Tax Credit Expiration Date	Feb. 28, 2014
Section 382 Limitation [Member] | Domestic Country [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards available to offset future taxable income	62,500,000
Section 382 Limitation [Member] | State [Member]
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards available to offset future taxable income for state income tax purposes	$ 54,500,000