Consolidated Statements of Operations (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Revenues
Net product revenues	$ 7,019,080	$ 5,439,047	$ 12,392,028	$ 8,317,278
Royalties	90,575	106,653	176,793	187,030
Other revenues	31,250	34,496	87,808	69,028
Total net revenues	7,977,818	8,230,536	14,293,542	12,064,077
Cost of product revenues	2,830,596	2,718,037	5,672,335	4,502,499
Total cost of revenues	2,830,596	4,465,846	5,672,335	6,468,832
Gross profit	5,147,222	3,764,690	8,621,207	5,595,245
Operating expenses
Research and development (net of reimbursement from related party: $3,092 and $435,199 for the three and six months ended June 30, 2012, respectively)		159,072		712,750
General and administrative	2,319,594	1,923,356	4,780,157	4,474,681
Total operating expenses	2,319,594	2,082,428	4,780,157	5,187,431
Income from operations	2,827,628	1,682,262	3,841,050	407,814
Interest income	42,545	63,624	95,355	122,745
Change in fair value of stock warrants	(154,746)	205,700	50,026	6,465,067
Other expense, net	(55,874)	(8,776)	(82,362)	(95,747)
Income before income taxes	2,659,553	1,942,810	3,904,069	6,899,879
Income tax provision	2,674		5,550	2,676
Net income	2,656,879	1,942,810	3,898,519	6,897,203
Basic net income per common share	$ 0.03	$ 0.02	$ 0.04	$ 0.08
Diluted net income per common share	$ 0.03	$ 0.02	$ 0.04	$ 0.00
Basic weighted average common shares outstanding	87,413,773	87,305,184	87,372,558	87,300,585
Diluted weighted average common shares outstanding	88,614,341	88,483,609	88,600,366	88,440,185
Related Party [Member]
Revenues
Net product revenues		1,922,782		2,163,183
Royalties	836,913	727,558	1,636,913	1,327,558
Cost of product revenues from related party		$ 1,747,809		$ 1,966,333