Accrued Liabilities (Tables)

12 Months Ended

Dec. 31, 2012

Schedule of Accrued Liabilities

Accrued liabilities consist of the following:

	December 31, 2012		December 31, 2011
Employee compensation	$	3,634,839	$	2,741,738
Royalty and license fees		1,459,680		499,776
Contingent consideration		1,376,877		35,000
Unearned revenue		599,120		469,046
Professional fees		418,800		871,086
VAT liabilities		98,162		566,542
Research and development		18,300		142,695
Other accrued expenses		692,212		715,155
Total	$	8,297,990	$	6,041,038