Summary of Significant Accounting Policies - Schedule of accrued expenses (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Accounting Policies [Abstract]
Sales returns	$ 483,865	$ 1,429,597
Salaries	328,503	927,621
Severance costs	905,872	0
Professional fees	253,987	474,464
Royalties/Other	244,297	184,914
Total	$ 2,216,524	$ 3,016,596