Annual report pursuant to Section 13 and 15(d)

Supplemental Financial Information (Details)

v3.8.0.1
Supplemental Financial Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Quarterly Financial Information Disclosure [Abstract]                      
Revenue - sales $ 896 $ 589 $ 603         $ 2,088    
Operating expenses                      
Cost of product sales 3,870 3,140 2,531         9,541    
Operations and development costs 1,565 1,367 2,184 2,987 $ 2,269 $ 1,887 $ 1,309 $ 883 8,103 $ 6,348  
General and administrative expense 1,994 1,925 1,444 1,528 2,365 1,434 1,516 1,295 6,891 6,610 $ 3,171
Impairment charge 2,411           2,411    
Total operating expenses 7,429 6,432 8,570 4,515 4,634 3,321 2,825 2,178 26,946 12,958 5,451
Loss from operations (6,533) (5,843) (7,967) (4,515) (4,634) (3,321) (2,825) (2,178) (24,858) (12,958) (5,451)
Other income and expense                      
Interest expense (511) (454) (408) (388) (322) (203) (112) (2) (1,761) (639) (1,128)
Interest and other income 13 7 10 11 21 7 6 7 41 41 26
Total other income (expense), net (498) (447) (398) (377) (301) (196) (106) 5 (1,720) (598) (6,878)
Loss before income tax expense (7,031) (6,290) (8,365) (4,892) (4,935) (3,517) (2,931) (2,173) (26,578) (13,556) (12,329)
Income tax expense (2) (1) (2) (1) (3)
Net loss $ (7,031) $ (6,290) $ (8,365) $ (4,894) $ (4,935) $ (3,517) $ (2,931) $ (2,174) $ (26,580) $ (13,557) $ (12,332)
Weighted average shares outstanding, basic and diluted (in shares) 21,956,993 20,265,020 20,123,041 18,792,850 16,603,725 15,574,620 14,735,077 14,137,442 20,293,100 15,267,233 8,404,311
Basic and diluted net loss per share (in dollars per share) $ (0.32) $ (0.31) $ (0.42) $ (0.26) $ (0.3) $ (0.23) $ (0.2) $ (0.15) $ (1.31) $ (0.89) $ (1.47)