Stock Options (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Of Compensation Related Costs, Share-Based Payments [Abstract]

Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block]

The fair value of stock options is estimated on the date of grant using the Black-Scholes option pricing model. The weighted average fair values of the options granted and weighted average assumptions are as follows:

	For the Years Ended December 31,
		2013			2012			2011

Weighted average fair value of options granted	$	1.89		$	2.32		$	1.61

Risk-free interest rate		0.76	%		0.65%-0.74	%		0.9%-2.8	%
Expected life (years)		5-7			5			5-8
Expected volatility factor		67	%		69	%		68%-74	%
Expected dividends		None			None			None

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

A summary of option activity under the Plans as of December 31, 2013, and changes during the year then ended, is presented below:

		Weighted-Average		Weighted-Average Remaining	Aggregate Intrinsic
	Number of Options	Exercise Price		Contractual Term (years)	Value

Outstanding at January 1, 2013	2,986,057	$	2.75
Granted	1,014,022	$	1.89
Exercised	(201,500)	$	0.96
Forfeited/Expired	(750,510)	$	3.09
Outstanding at December 31, 2013	3,048,069	$	2.99	4.48	$	365,410
Exercisable at December 31, 2013	943,557	$	2.98	2.13	$	361,610
Vested and expected to vest at
December 31, 2013	3,048,069	$	2.99	4.48	$	365,410

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

A summary of restricted shares under the Company’s stock option plans as of December 31, 2013, and changes during the period then ended, are presented below:

			Weighted-Average Grant
	Number of Shares		Date Fair Value

Unvested at January 1, 2013	32,500	$	3.14
Granted	-		-
Vested	(7,500)		2.59
Forfeited/Expired	—		-
Unvested at December 31, 2013	25,000	$	3.31