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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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