Income Taxes - Deferred Tax Assets (Liabilities) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Share Based awards compensation	$ 1,033,720	$ 912,843
Allowance for doubtful accounts	29,970	28,319
Allowance for returns	215,143	539,796
Inventory reserve	27,218	22,131
Book accumulated depreciation net of tax	(10,471)	(22,224)
Deferred revenue - Actavis	0	0
Other deferred revenue	37,463	35,399
Accrued professional fees	96,530	142,411
Vacation & bonus accrual	5,623	14,275
Inventory capitalization	750	0
Patents	1,260,191	1,090,637
Federal net operating loss	52,679,076	51,429,375
State net operating loss	4,911,560	3,093,966
Unused R&D credit	1,957,337	1,872,998
Contributions	2,697	2,492
Other	14,354	14,354
Net Deferred Tax Assets	62,261,161	59,176,772
Federal	(62,261,161)	(59,176,772)
Deferred Tax Assets	$ 0	$ 0