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Condensed Consolidated Statements of Operations and Comprehensive Loss (Unaudited) (USD $)
In Thousands, except Share data, unless otherwise specified
 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
REVENUES    
Product revenues $ 310 $ 81
Other revenues 0 300
Total revenues 310 381
COSTS OF SALES    
Costs of goods sold 93 31
Gross profit 217 350
OPERATING EXPENSES    
Selling, general and administrative 3,819 6,083
Research and development 1,457 4,469
Total operating expenses 5,276 10,552
Loss from operations (5,059) (10,202)
OTHER INCOME (EXPENSE)    
Change in fair value of warrant liability, net (205) (2,272)
Interest income 1 10
Other expenses (15) (381)
Net loss (5,278) (12,845)
LOSS PER COMMON SHARE    
Basic and diluted loss per common share (in dollars per share) $ (0.57) [1] $ (2.40) [1]
WEIGHTED AVERAGE COMMON SHARES    
Basic and diluted weighted average common shares outstanding (in shares) 9,300,078 [1] 5,342,976 [1]
OTHER COMPREHENSIVE INCOME (LOSS)    
Foreign currency translation adjustments (2) 364
Comprehensive loss $ (5,280) $ (12,481)
[1] Reflects a one-for-sixteen (1:16) reverse stock split effected on April 8, 2014.