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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited) [Abstract]        
Revenue $ 375 $ 375 $ 1,146 $ 1,148
Operating expense:        
Royalty expense 0 884 0 884
Research and development 481 460 1,473 1,391
Selling, general and administrative expenses 3,456 6,318 10,953 20,132
Total operating expense 3,937 7,662 12,426 22,407
Loss from operations (3,562) (7,287) (11,280) (21,259)
Interest and other income, net 9 19 40 50
Loss before taxes (3,553) (7,268) (11,240) (21,209)
Income tax benefit (expense) 1 (119) (4) (126)
Net loss $ (3,552) $ (7,387) $ (11,244) $ (21,335)
Basic and diluted loss per share (in dollars per share) $ (0.06) $ (0.13) $ (0.19) $ (0.38)
Weighted average shares outstanding basic and diluted (in shares) 58,306 56,651 58,216 55,503