Share-based compensation (Tables)

12 Months Ended

Dec. 31, 2012

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:

Years Ended December 31,	2012			2011
Assumptions
Dividend yield		0	%		0	%
Risk free interest rate		1.0	%		1.0	%
Expected volatility		73	%		63	%
Expected lives		5 years			5 years

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

A summary of the status of the Company's Plans as of December 31, 2012 and 2011 and changes for the periods ending on those dates is presented below:

Stock Option Plan Totals	Shares			Weighted Average Exercise Price
Outstanding at December 31, 2010		3,411,943		$	1.23
·    Cancelled		(49,000	)	$	2.04
·    Exercised		(2,500	)	$	1.12
·    Granted		75,000		$	1.31
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

Weighted Average Contractual Life and Exercise Price

The following is the weighted average contractual life in years and the weighted average exercise price at December 31, 2012 of:

			Weighted Average
	Number of		Remaining	Weighted Average
	Options		Contractual Life	Exercise Price
Options outstanding		3,348,935	4.8 years	$	1.23
Options vested		3,348,935	4.8 years	$	1.23

Intrinsic value

The following is the intrinsic value at December 31, 2012 of:

Options outstanding	$	8,062,564
Options vested in 2012		29,862
Options exercised in 2012		267,000

Weighted Average Fair Value

The following is the weighted average fair value for the twelve month period ended December 31, 2012 of:

Options granted	$	3.27
Options vested	$	2.86