CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Cash flows from operating activities:
Net income (loss)	$ (2,684,915)	$ (6,057,092)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation	414,165	354,425
Loss on fixed asset disposal	8,359	0
Amortization of intangible assets	789,809	1,117,646
Impairment of intangible assets	0	1,798,495
Amortization of debt discount and deferred financing costs	1,328,439	1,222,290
Share-based compensation	4,155,005	1,755,669
Change in fair value of earn-out liability	0	1,320,000
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(6,052,963)	(4,278,205)
Inventory	(1,510,278)	(1,089,733)
Prepaid expenses	(913,644)	(382,051)
Other assets	70,000	19,213
Accounts payable	954,094	(39,139)
Accrued compensation	1,807,143	1,393,016
Accrued expenses	419,462	92,986
Accrued interest	(41,641)	312,775
Other liabilities	132,302	(1,408)
Net cash flows from operating activities	(1,124,663)	(2,461,113)
Cash flows from investing activities:
Purchases of equipment	(2,008,407)	(401,864)
Patent application costs	(526,566)	0
Net cash flows from investing activities	(2,534,973)	(401,864)
Cash flows from financing activities:
Proceeds from exercise of warrants	1,480,124	5,925,539
Proceeds from exercise of stock options	1,516,580	885,034
Repayment of convertible debt related to acquisition	0	(427,126)
Principal payments of equipment leases	(29,797)	(11,002)
Repurchase of warrants	0	(568)
Net cash flows from financing activities	2,966,907	6,371,877
Net change in cash	(692,729)	3,508,900
Cash and cash equivalents, beginning of period	6,754,485	4,112,326
Cash and cash equivalents, end of period	$ 6,061,756	$ 7,621,226