XML 28 R6.htm IDEA: XBRL DOCUMENT v2.4.0.8
Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Cash flows from operating activities:    
Net loss $ (9,878) $ (18,328)
Adjustments to reconcile net loss to net cash used in operating activities:    
Stock option compensation expense 257 571
Restricted stock compensation expense 60 241
Depreciation expense 499 604
Provision for inventory obsolescence 102 17
Warrant liability fair value adjustment (1,092) (2,842)
Loss on write-downs and disposals of equipment 123 5
Non-cash interest income 0 1
Changes in assets and liabilities:    
Decrease (increase) in prepaid expenses and other current assets 856 (132)
Decrease in accounts receivable 183 84
Decrease in inventories 15 157
Increase (decrease) in accounts payable and accrued expenses 7 (1,576)
Increase (decrease) in other non-current liabilities 383 (300)
Net cash used in operating activities (8,485) (21,498)
Cash flows from investing activities:    
Purchase of property, plant, and equipment 0 (79)
Proceeds from sales of property, plant, and equipment 22 0
Net cash provided by (used in) investing activities 22 (79)
Cash flows from financing activities:    
Net proceeds from sale of stock and exercise of stock options and warrants 4,521 29,975
Net cash provided by financing activities 4,521 29,975
Foreign currency effects on cash (23) 202
Net (decrease) increase in cash and cash equivalents (3,965) 8,600
Cash and cash equivalents:    
Beginning of period 31,249 23,726
End of period 27,284 32,326
Supplemental non-cash activities:    
Fair value of warrants exercised $ 143 $ 219