CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income (loss )	$ (1,312,231)	$ (2,377,797)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation	550,981	237,934
Amortization of intangible assets	463,290	530,234
Amortization of debt discount and deferred financing costs	0	1,328,439
Share-based compensation	5,138,716	2,487,239
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(4,406,742)	(4,108,313)
Inventory	(348,515)	(1,197,500)
Prepaid expenses and other current assets	(988,127)	(721,223)
Other assets	0	70,000
Accounts payable	(44,904)	586,027
Accrued compensation	565,590	221,472
Accrued expenses	(268,466)	85,219
Accrued interest	0	(41,641)
Other liabilities	218,657	46,362
Net cash flows from operating activities	(431,751)	(2,853,548)
Cash flows from investing activities:
Purchases of equipment	(1,145,351)	(1,052,930)
Patent application costs	(288,790)	(342,695)
Net cash flows from investing activities	(1,434,141)	(1,395,625)
Cash flows from financing activities:
Proceeds from exercise of warrants	774,750	1,167,624
Proceeds from exercise of stock options	882,707	542,841
Stock repurchase	(4,563,333)	0
Principal payments of equipment leases	(60,746)	(22,194)
Net cash flows from financing activities	(2,966,622)	1,688,271
Net change in cash	(4,832,514)	(2,560,902)
Cash and cash equivalents, beginning of period	44,077,751	6,754,485
Cash and cash equivalents, end of period	$ 39,245,237	$ 4,193,583