Stock-Based Compensation Expense (Tables)

6 Months Ended

Jun. 30, 2013

Share-Based Compensation, Allocation and Classification In Financial Statements [Abstract]

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

The following table is a summary of the Company’s stock option activities for the six months ended June 30, 2013:

			Weighted-
			Average
			Exercise
	Shares		Price
Outstanding at December 31, 2012		3,005,532	$	0.76
Granted		9,985,000		0.12
Exercised		-		-
Expired		(140,391)		(0.58)
Outstanding at June 30, 2013		12,850,141	$	0.26
Exercisable at June 30, 2013		3,624,233	$	0.42
Vested and expected to vest as of June 30, 2013		9,027,638

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

The following table is a summary of the Company's restricted stock activity for the six months ended June 30, 2013:

			Weighted-
	Restricted		Average		Aggregate
	Stock		Grant Date		Intrinsic
	Outstanding		Fair Value		Value
Balance as of December 31, 2012		257,660	$	0.58	$	110,794
Granted		-		-
Vested		(3,063)		(2.72)
Cancelled		(250,000)		(0.51)
Balance as of June 30, 2013		4,597	$	2.72	$	2,528