Condensed Consolidated Balance Sheets (USD $)	Sep. 30, 2011	Dec. 31, 2010
Current assets:
Cash and cash equivalents	$ 10,525,537	$ 1,799,048
Accounts receivable	538,109	407,350
Inventory	1,662,343	1,902,789
Prepaid expenses and other	159,846	74,437
Deferred financing costs	184,995	1,083,630
Total current assets	13,070,830	5,267,254
Property and equipment, net	293,681	500,742
Goodwill	169,987	0
Intangible assets	906,960	637,771
Total Assets	14,441,458	6,405,767
Current liabilities:
Accounts payable and accrued expenses	1,657,113	967,896
Current portion of long-term debt, related party	0	1,338,455
Current portion of long-term debt	0	7,080,512
Total current liabilities	1,657,113	9,386,863
Long-term debt	4,826,264	0
Preferred stock dividends payable	0	6,048,378
Warrant liability	0	2,669,815
Total liabilities	6,483,377	18,105,056
Commitments and contingencies
Temporary equity:
Convertible preferred stock		15,412,039
Stockholders' equity (deficit):
Common stock, value	109,498	12,056
Additional paid-in capital	54,142,532	9,934,980
Accumulated deficit	(46,293,949)	(38,183,364)
Total stockholders' equity (deficit)	7,958,081	(27,111,328)
Total liabilities and stockholders' equity (deficit)	14,441,458	6,405,767
Series B preferred stock
Temporary equity:
Convertible preferred stock		4,243,948
Series C preferred stock
Temporary equity:
Convertible preferred stock		8,092,568
Series D preferred stock
Temporary equity:
Convertible preferred stock		3,075,523
Series A preferred stock
Stockholders' equity (deficit):
Convertible preferred stock		$ 1,125,000