Statements Of Cash Flows (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities
Net loss	$ (6,081,326)	$ (7,926,939)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation	237,497	495,152
Amortization of intangible assets	149,917	149,917
Amortization of deferred finance costs and debt discount	126,535	1,938,777
Share-based compensation	739,807	441,861
Gain on debt conversion		(2,095)
Loss on asset disposal		7,373
Adjustment of warrants and convertible debt features	(104,987)	(1,497,649)
Interest due from issuance of stock		394,588
Changes in operating assets and liabilities:
Accounts receivable	1,122,271	3,138,060
Inventories	(1,177,346)	(481,926)
Prepaid expenses and other current assets	194,897	653,901
Accounts payable	(356,938)	387,992
Accrued liabilities	(787,374)	275,194
Deferred revenue	482,790	(1,268,627)
Net cash used in operating activities	(5,454,257)	(3,294,421)
Cash flows from investing activities
Purchase of equipment	(41,140)
Net cash used in investing activities	(41,140)
Cash flows from financing activities
Payments of term loan		(2,000,000)
Proceeds from revolving line of credit		23,048,799
Payments of revolving line of credit		(23,759,722)
Proceeds from Healthcare Royalty Partners debt		2,500,000
Payments of Healthcare Royalty Partners debt	(24,290)	(158,773)
Proceeds from issuance of stock and warrants, net of issuance costs	2,342,275	167
Net cash provided (used) by financing activities	2,317,985	(369,529)
Net increase (decrease) in cash and cash equivalents	(3,177,412)	(3,663,950)
Cash and cash equivalents at beginning of period	13,775,130	7,777,718
Cash and cash equivalents at end of period	$ 10,597,718	$ 4,113,768