CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (1,620,408)	$ (1,093,652)
Adjustments to reconcile net income (loss) to net cash from operating activities:
Depreciation	98,751	110,388
Amortization of intangible assets	262,596	333,977
Amortization of debt discount and deferred financing costs	1,328,439	310,477
Share-based compensation	984,792	500,985
Increase (decrease) in cash resulting from changes in:
Accounts receivable	(2,167,942)	(961,633)
Inventory	(933,555)	(82,914)
Prepaid expenses	(555,692)	(212,831)
Other assets	(249,545)	0
Accounts payable	(194,977)	(232,054)
Accrued compensation	765,532	103,616
Accrued expenses	236,788	(224,282)
Accrued interest	(41,641)	150,013
Other liabilities	(11,324)	9,971
Net cash flows from operating activities	(2,098,186)	(1,287,939)
Cash flows from investing activities:
Purchases of equipment	(73,534)	(46,794)
Net cash flows from investing activities	(73,534)	(46,794)
Cash flows from financing activities:
Proceeds from exercise of warrants	924,624	322,673
Proceeds from exercise of stock options	232,531	171,000
Repayment of convertible debt related to acquisition	0	(250,000)
Payments under capital lease obligations	(14,813)	0
Net cash flows from financing activities	1,142,342	243,673
Net change in cash	(1,029,378)	(1,091,060)
Cash and cash equivalents, beginning of period	6,754,485	4,112,326
Cash and cash equivalents, end of period	$ 5,725,107	$ 3,021,266