CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Cash flows from operating activities:
Net income (loss)	$ (4,111,853)	$ (7,662,376)	$ (10,193,986)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation	637,246	465,367	446,502
Loss on fixed asset disposal	36,800	0	0
Amortization of intangible assets	1,053,971	1,380,241	1,335,908
Impairment of intangible assets	368,102	1,798,495	0
Amortization of debt discount and deferred financing costs	1,328,439	1,714,101	315,152
Share-based compensation	6,009,176	2,538,721	1,659,083
Change in fair value of earn-out liability	0	1,567,050	5,803
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(8,439,275)	(5,761,642)	(1,208,456)
Inventory	(857,992)	(2,310,182)	(253,942)
Prepaid expenses	(706,683)	(466,060)	(70,980)
Other assets	70,000	96,657	(80,375)
Accounts payable	1,208,747	(81,112)	732,938
Accrued compensation	2,835,574	2,354,888	194,934
Accrued expenses	352,881	605,856	328,379
Accrued interest	(41,641)	387,896	107,886
Other liabilities	(28,969)	40,840	16,383
Net cash flows from operating activities	(285,477)	(3,331,260)	(6,664,771)
Cash flows from investing activities:
Purchases of equipment	(2,336,517)	(636,502)	(486,091)
Cash paid for acquisition, net of cash acquired of $33,583	0	0	(466,417)
Proceeds from grant	0	0	250,000
Patent application costs	(688,897)	0	0
Net cash flows from investing activities	(3,025,414)	(636,502)	(702,508)
Cash flows from financing activities:
Proceeds from exercise of stock options	1,981,418	1,052,668	295,753
Proceeds from exercise of warrants	2,107,883	6,001,063	0
Proceeds from Senior Secured Promissory Notes	0	0	5,000,000
Proceeds from Line of Credit with related party	0	0	1,300,000
Proceeds from sale of common stock and warrants and common stock with registration rights, net	0	0	3,730,587
Proceeds from public offering, net of expenses	36,602,306	0	0
Repayment of Line of Credit	0	0	(99,000)
Repayment of Note Payable	0	0	(88,657)
Repayment of convertible debt related to acquisition	0	(427,126)	0
Principal payments of equipment leases	(57,450)	(16,116)	0
Repurchase of warrants	0	(568)	0
Net cash flows from financing activities	40,634,157	6,609,921	10,138,683
Net change in cash	37,323,266	2,642,159	2,771,404
Cash and cash equivalents, beginning of period	6,754,485	4,112,326	1,340,922
Cash and cash equivalents, end of period	$ 44,077,751	$ 6,754,485	$ 4,112,326