Accrued Expenses

6 Months Ended

Jun. 30, 2012

Accrued Expenses [Abstract]

Accounts Payable and Accrued Liabilities Disclosure [Text Block]

Accrued Expenses

Accrued expenses are comprised of the following:

	June 30, 2012		December 31, 2011
Payroll and related costs	$	99,400	$	41,600
Professional and consulting fees	79,200		51,200
Royalties	263,700		587,300
Stock payment guarantee liability	1,076,700		505,900
Other	192,600		146,500
Total	$	1,711,600	$	1,332,500