Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2017

Share-Based Compensation [Abstract]

Weighted-average assumptions used in determining 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,	2017			2016			2015
Assumptions
Dividend yield		0	%		0	%		0	%
Risk free interest rate		1.97%-2.08	%		0.%-1.0	%		0.83%-1.03	%
Expected volatility		44%-46	%		47%-53	%		49%-60	%
Expected lives		3 years			3 years			3 years

Summary of status of 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, 2014		3,280,874	$	1.98
-Cancelled		(132,500)	$	3.72
-Exercised		(679,291)	$	1.65
-Granted		164,506	$	3.28
Outstanding at December 31, 2015		2,633,589	$	2.06
-Exercised		(589,725)	$	2.43
-Granted		1,170,534	$	3.95
Outstanding at December 31, 2016		3,214,398	$	2.68
-Exercised		(1,545,161)	$	2.27
-Granted		1,400,203	$	5.72
Outstanding at December 31, 2017		3,069,440	$	4.28

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, 2017 and 2016 of:

	Number of		Weighted  Average  Remaining		Weighted  Average
2017	Options		Contractual Life		Exercise Price
Options outstanding		3,069,440		2.4 years	$	4.28
Options vested		1,308,203		3.0 years	$	3.94
Options unvested		92,000		0.9 years	$	5.76

	Number of		Weighted  Average Remaining		Weighted  Average
2016	Options		Contractual Life		Exercise Price
Options outstanding		3,214,398		2.0 years	$	2.68
Options vested		1,191,368		3.0 years	$	3.94

Intrinsic value

The intrinsic values of options vested and exercised during the years ended 2017, 2016 and 2015 were as follows :

	2017		2016		2015
Intrinsic value of options vested	$	462,369	$	4,843,774	$	5,000
Intrinsic value of options exercised	$	8,025,527	$	1,777,476	$	1,309,000