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Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2013	Feb. 29, 2012
Summary of acquisition-related intangible assets
Beginning Balance	$ 705	$ 875
Amortization	(171)	(170)
Ending Balance	$ 534	$ 705

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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