XML 37 R5.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Cash flows from operating activities:    
Net loss $ (25,533) $ (41,210)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock option compensation expense 407 2,159
Restricted stock compensation expense 179 763
Depreciation expense 866 1,044
Warrant liability fair value adjustment (2,345) (1,025)
Non-cash interest income (1) (3)
Changes in assets and liabilities:    
Decrease (increase) in prepaid expenses and other current assets 305 (206)
Decrease (increase) in accounts receivable 36 (941)
Decrease (increase) in inventories 150 (43)
Decrease in accounts payable and accrued expenses (3,149) (1,250)
Decrease in deferred revenue and long-term accrued expenses (189) 58
Net cash used in operating activities (28,896) (40,654)
Cash flows from investing activities:    
Purchase of property, plant, and equipment (113) (2,076)
Loss on disposal of equipment 5 0
Proceeds from maturities of short-term investments 0 4,980
Net cash (used in) provided by investing activities (108) 2,904
Cash flows from financing activities:    
Net proceeds from sale of stock and exercise of stock options and warrants 32,218 40,188
Net cash provided by financing activities 32,218 40,188
Foreign currency effects on cash 795 83
Increase in cash and cash equivalents 4,009 2,521
Cash and cash equivalents at beginning of period 23,726 25,777
Cash and cash equivalents at end of period 27,735 28,298
Supplemental non-cash activities:    
Fair value of warrants issued 0 3,147
Fair value of warrants exercised $ 219 $ 0