CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Cash flows from operating activities:
Net income (loss )	$ (922,072)	$ (1,620,408)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation	263,131	98,751
Amortization of intangible assets	231,331	262,596
Amortization of debt discount and deferred financing costs	0	1,328,439
Share-based compensation	2,372,364	984,792
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(2,873,707)	(2,167,942)
Inventory	241,682	(933,555)
Prepaid expenses and other current assets	(941,588)	(555,692)
Other assets	0	(249,545)
Accounts payable	128,222	(194,977)
Accrued compensation	(175,216)	765,532
Accrued expenses	(36,926)	236,788
Accrued interest	0	(41,641)
Other liabilities	101,808	(11,324)
Net cash flows from operating activities	(1,610,971)	(2,098,186)
Cash flows from investing activities:
Purchases of equipment	(465,768)	(73,534)
Patent application costs	(167,946)	0
Net cash flows from investing activities	(633,714)	(73,534)
Cash flows from financing activities:
Proceeds from exercise of warrants	774,750	924,624
Proceeds from exercise of stock options	445,072	232,531
Principal payments of equipment leases	(33,329)	(14,813)
Net cash flows from financing activities	1,186,493	1,142,342
Net change in cash	(1,058,192)	(1,029,378)
Cash and cash equivalents, beginning of period	44,077,751	6,754,485
Cash and cash equivalents, end of period	$ 43,019,559	$ 5,725,107