Stock Option and Stock Award Plans (Tables)

12 Months Ended

Feb. 28, 2015

Stock Options and Stock Awards

Schedule of weighted average assumptions used for options granted

	2015	2014	2013
Expected stock price volatility(1)	74%	85%	85%
Expected dividend yield(2)	0.00%	0.00%	0.00%
Risk-free interest rate(3)	1.70%	1.45%	0.71%
Expected option life(4)	5.5 years	5.5 years	5.5 years

(1)	The expected volatility is based on the historical volatility of the stock price over the most recent period equal to expected life of the option
(2)	The dividend rate that will be paid out on the underlying shares during the expected term of the options. The Company does not currently pay dividends on its common stock, as such, the dividend rate is assumed to be zero percent.
(3)	The risk free interest rate is equal to the rate available on United States Treasury zero-coupon issues as of the grant date of the option with a remaining term equal to the expected term.
(4)	The period of time for which the option is expected to be outstanding. The Company analyzed historical exercise behavior.

Schedule of stock option transactions

	Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding at March 3, 2012		73,798		$	1.52
Granted		12,020			1.32
Exercised		(1,535	)		1.06
Cancelled		(3,283	)		2.08
Outstanding at March 2, 2013		81,000		$	1.48
Granted		4,828			2.76
Exercised		(26,873	)		1.24
Cancelled		(2,989	)		2.46
Outstanding at March 1, 2014		55,966		$	1.65
Granted		3,097			7.04
Exercised		(16,485	)		1.46
Cancelled		(910	)		3.16
Outstanding at February 28, 2015		41,668		$	2.09		6.05	$	245,237
Vested or expected to vest at February 28, 2015		40,422		$	2.09		6.01	$	237,899
Exercisable at February 28, 2015		25,375		$	1.74		5.05	$	158,240

Schedule of restricted stock transactions

	Shares			Weighted Average Grant Date Fair Value
Balance at March 3, 2012		11,506		$	1.20
Granted		5,450			1.31
Vested		(3,917	)		1.18
Cancelled		(362	)		1.26
Balance at March 2, 2013		12,677		$	1.25
Granted		2,743			2.79
Vested		(4,152	)		1.23
Cancelled		(1,212	)		1.48
Balance at March 1, 2014		10,056		$	1.66
Granted		3,303			7.01
Vested		(5,239	)		1.54
Cancelled		(454	)		5.00
Balance at February 28, 2015		7,666		$	3.84