CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net loss	$ (10,193,986)	$ (11,419,753)
Adjustments to reconcile net loss to net cash flows from operating activities:
Depreciation	446,502	444,259
Amortization of intangible assets	1,335,908	667,932
Amortization of debt discount and deferred financing costs	315,152	599,001
Employee share-based compensation expense	1,307,869	996,307
Other share-based compensation expense	351,214	174,354
Change in fair value of earn-out liability	5,803	0
Financing expense associated with warrants issued in connection with convertible promissory note	0	287,449
Increase (decrease) in cash resulting from changes in (net of effects of acquisition):
Accounts receivable	(1,208,456)	(162,376)
Inventory	(253,942)	(80,634)
Prepaid expenses and other current assets	(70,980)	30,331
Other assets	(80,375)	86,702
Accounts payable and accrued expenses	1,256,251	218,936
Accrued interest	107,886	0
Other liabilities	16,383	0
Net cash flows from operating activities	(6,664,771)	(8,157,493)
Cash flows from investing activities:
Purchases of equipment	(486,091)	(151,617)
Proceeds from REBA grant	250,000	0
Cash paid for acquisition, net of cash aquired of $33,583	(466,417)	0
Net cash flows from investing activities	(702,508)	(151,617)
Cash flows from financing activities:
Proceeds from Senior Secured Promissory Notes	5,000,000	0
Proceeds from Note Payable with related party	1,300,000	0
Proceeds from Bridge Loan	0	500,000
Repayment of Line of Credit	(99,000)	0
Repayment of Notes Payable	(88,657)	0
Proceeds from sale of common stock and warrants and common stock with registration rights, net	3,730,587	3,122,020
Proceeds from exercise of stock options	295,753	155,126
Proceeds from exercise of warrants	0	3,219,349
Net cash flows from financing activities	10,138,683	6,996,495
Net change in cash	2,771,404	(1,312,615)
Cash, beginning of period	1,340,922	2,653,537
Cash, end of period	4,112,326	1,340,922
Supplemental disclosure of cash flow information:
Cash paid for interest	15,456	8,330
Cash paid for income taxes	$ 0	$ 0