Share-based compensation (Tables)

3 Months Ended

Mar. 31, 2013

Share-Based Compensation [Abstract]

Weighted-Average Assumptions Used in Determining the Fair Value of Share Based Awards

The Company determines the fair value of share based awards at the grant date by using the Black-Scholes option-pricing model, and is incorporating the simplified method to compute expected lives of share based awards with the following weighted-average assumptions:

Three Month Period Ended March 31,	2013			2012
Assumptions
Dividend Yield		0	%		0	%
Risk free interest rate		.85	%		0	%
Expected volatility		76	%		0	%
Expected lives		5 years			none

Summary of the Status of the Company's Stock Option Plan

A summary of the activity for the Company's Plans for the indicated periods is presented below:

Stock Option Plan Totals	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2011		3,435,443		$	1.22
· Cancelled		(8,313	)	$	1.10
· Exercised		(109,038	)	$	1.42
· Granted		30,843		$	3.27
Outstanding at December 31, 2012		3,348,935		$	1.23
· Cancelled		(8,617	)	$	1.10
· Exercised		(565,625	)	$	1.05
· Granted		50,000		$	4.25
Outstanding at March 31, 2013		2,824,693		$	1.31

Weighted Average Contractual Life and Exercise Price

The following is the weighted average contractual life in years and the weighted average exercise price at March 31, 2013 of:

			Weighted Average
	Number of		Remaining	Weighted Average
	Options		Contractual Life	Exercise Price
Options outstanding		2,824,693	4.5 years	$	1.31
Options vested		2,787,193	4.6 years	$	1.27

Intrinsic Value

The following is the intrinsic value at March 31, 2013 of:

Options outstanding	$	7,809,151
Options vested in 2013	$	53,125
Options exercised in 2013	$	1,806,000