CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS (UNAUDITED) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net loss	$ (7,667,000)	$ (9,325,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	200,000	220,000
Amortization of deferred financing costs and debt discount	192,000	237,000
Increase (decrease) in allowance for doubtful accounts	87,000	(24,000)
Change in fair value of warrant liability	(334,000)	130,000
Change in fair value of option liability	250,000	(270,000)
Stock-based compensation	873,000	942,000
Equity loss from investment in joint venture	48,000	50,000
Increases (decreases) in cash caused by changes in operating assets and liabilities:
Accounts receivable	868,000	859,000
Inventories	(477,000)	(56,000)
Other current assets	(28,000)	(298,000)
Other assets	(974,000)	(22,000)
Accounts payable and accrued expenses	(523,000)	(83,000)
Deferred revenues, related party	(638,000)	0
Deferred revenues	(1,203,000)	(68,000)
Long-term deferred rent	32,000	(6,000)
Net cash used in operating activities	(9,294,000)	(7,714,000)
Cash flows from investing activities:
Purchases of property and equipment	(81,000)	(25,000)
License agreement termination fee	(200,000)	0
Net cash used in investing activities	(281,000)	(25,000)
Cash flows from financing activities:
Principal payments on long-term obligations	(2,485,000)	(71,000)
Proceeds from exercise of employee stock options and warrants	0	947,000
Proceeds from sale of common stock	3,001,000	4,396,000
Costs from sale of common stock	(184,000)	(56,000)
Net cash provided by financing activities	332,000	5,216,000
Effect of exchange rate changes on cash and cash equivalents	(70,000)	0
Net decrease in cash and cash equivalents	(9,313,000)	(2,523,000)
Cash and cash equivalents at beginning of period	25,717,000	36,922,000
Cash and cash equivalents at end of period	16,404,000	34,399,000
Cash paid during period for:
Interest	520,000	625,000
Supplemental schedule of non-cash operating, investing and financing activities:
Capital equipment lease	0	0
Net increase in purchases of property and equipment included in accounts payable	$ 0	$ 795,000

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Change in fair value of option liability for the period which are included in the statement of income (or changes in net assets) in operating expenses; the fair value of which was or is measured on a recurring basis using model-derived valuations in which all one ore more significant inputs are unobservable in active markets (Level 3).