Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Cash flows from operating activities:
Net loss	$ (6,944,665)	$ (4,174,325)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	409,777	482,255
Stock-based compensation	182,785	186,459
(Gain) loss on revaluation of derivative liabilities, net	478,480	(2,562,191)
Interest converted to principal on convertible promissory notes	416,009	395,843
Provision for excess and obsolete inventory	15,717	69,307
Amortization of debt discount	1,462,145	382,377
Change in operating assets and liabilities:
Accounts receivable	273,182	(7,800)
Inventories	(37,275)	(25,121)
Prepaid expenses and other assets	(43,629)	139,766
Accounts payable	161,707	(208,239)
Accrued payroll and related costs	54,095	(313,944)
Other accrued expenses	409,922	(78,034)
Net cash used in operating activities	(3,161,750)	(5,713,647)
Cash flows from investing activities:
Purchase of property and equipment	(34,347)	(8,519)
Net cash used in investing activities	(34,347)	(8,519)
Effect of exchange rates on cash	(96,658)	(33,878)
Net decrease in cash and cash equivalents	(3,292,755)	(5,756,044)
Cash and cash equivalents at beginning of the period	6,328,753	15,117,172
Cash and cash equivalents at end of the period	3,035,998	9,361,128
Supplemental disclosures of cash flow information:
Cash paid for interest	4,341
Cash paid for income taxes	18,582	23,249
Cash (received) for income taxes	$ (1,051)