Annual report pursuant to Section 13 and 15(d)

Supplemental Quarterly Data - Unaudited (Details)

v3.7.0.1
Supplemental Quarterly Data - Unaudited (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Supplemental Income Statement Elements [Abstract]                      
Revenues $ 9,321 $ 7,110 $ 6,515 $ 8,736 $ 10,119 $ 9,602 $ 8,764 $ 5,969 $ 31,682 $ 34,454 $ 26,521
Cost of revenues 2,731 2,857 2,954 3,818 4,362 4,870 4,492 3,775 12,360 17,499 14,472
Gross profit 6,590 4,253 3,561 4,918 5,757 4,732 4,272 2,194 19,322 16,955 12,049
Research and development 1,795 1,986 2,410 2,350 2,181 2,848 2,858 2,802 8,541 10,689 9,506
Sales and marketing 2,584 2,435 2,978 3,532 3,720 4,706 4,740 4,828 11,529 17,994 17,991
General and administrative 2,378 2,109 2,265 2,970 4,603 4,353 3,558 4,364 9,722 16,878 12,626
Amortization of purchased intangibles 217 221 227 226 199 200 200 199 891 798 652
Total operating expenses 6,974 6,751 7,880 9,078 10,703 12,107 11,356 12,193 30,683 46,359 40,775
Operating loss (384) (2,498) (4,319) (4,160) (4,946) (7,375) (7,084) (9,999) (11,361) (29,404) (28,726)
Interest income (expense), net (247) (13) (15) (12) (14) (10) 15 16 (287) 7 60
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Change in Unrealized Gain (Loss) 137 0 0 0 0 0 0 0 137 0 0
Other, net 108 (13) (47) 36 26 (89) (4) (64) 84 (131) (241)
Total other expense, net (2) (26) (62) 24 12 (99) 11 (48) (66) (124) (181)
Loss before income taxes (386) (2,524) (4,381) (4,136) (4,934) (7,474) (7,073) (10,047) (11,427) (29,528) (28,907)
Income tax benefit (119) (39) (90) (4) (357) (163) (146) (174) (252) (839) (6,564)
Net loss from continuing operations (267) (2,485) (4,291) (4,132) (4,577) (7,311) (6,927) (9,873) (11,175) (28,689) (22,343)
Net income from discontinued operations, net of tax 0 0 0 0 0 79 (22) (67) 0 (10) 13,823
Net loss $ (267) $ (2,485) $ (4,291) $ (4,132) $ (4,577) $ (7,232) $ (6,949) $ (9,940) $ (11,175) $ (28,699) $ (8,520)
Net income (loss) per share – basic(1) $ (0.03) $ (0.27) $ (0.46) $ (0.45) $ (0.50) $ (0.78) $ (0.75) $ (1.08) $ (1.21) $ (3.11) $ (0.96)
Net loss per share – diluted $ (0.04) $ (0.27) $ (0.46) $ (0.45) $ (0.50) $ (0.78) $ (0.75) $ (1.08) $ (1.23) $ (3.11) $ (0.96)