Shareholders' Equity (Tables)

3 Months Ended

Jun. 30, 2015

We used the following weighted-average assumptions to value the options granted during the three months ended June 30:

	2015	2014

Expected life in years	3.84	3.47
Risk-free interest rate	1.11%	1.0%
Expected volatility	63.94%	68.43%
Expected dividend yield	0%	0%
Weighted-average grant date fair value	$0.79	$1.59

The following table summarizes the activity related to our stock options during the three months ended June 30, 2015:

	Number of shares			Weighted average exercise price		Weighted average remaining life in years		Aggregate intrinsic value

Outstanding at March 31, 2015		2,251,085		$	5.32		5.06	$	-
Options granted		617,914			1.64
Options exercised		-			-
Options surrendered		(77,325	)		6.16

Outstanding at June 30, 2015		2,791,674		$	4.48		5.48	$	-

Exercisable at June 30, 2015		1,661,379		$	5.83		3.96	$	-

The following table summarizes the activity related to our restricted shares during the three months ended June 30, 2015:

	Number of Shares			Weighted average grant date fair value		Weighted average remaining life in years		Aggregate intrinsic value
Balance at March 31, 2015		317,741		$	4.47		1.93	$	387,644
Shares granted		379,499			1.64
Shares vested		(97,223	)		4.50
Shares forfeited		-			-

Balance at June 30, 2015		600,017		$	2.68		2.16	$	972,027