XML 111 R90.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity/(Deficit) - Summary of Stock Option Activity (Detail) - $ / shares
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Equity [Abstract]      
Number of Shares, Outstanding, Beginning 307,791 249,656 285,013
Number of Shares, Granted 137,667 85,524 102,819
Number of Shares, Exercised     (17,042)
Number of Shares, Cancelled (70,174) (27,390) (121,133)
Number of Shares, Outstanding, Ending 375,283 307,791 249,656
Weighted Average Exercise Price Outstanding, Beginning $ 32.04 $ 39.72 $ 39.72
Number of Shares, Options exercisable 275,735 221,109 176,575
Weighted Average Exercise Price, Granted $ 12.48 $ 25.68 $ 35.88
Weighted Average Exercise Price, Exercised     26.88
Weighted Average Exercise Price, Cancelled 32.88 41.76 43.32
Weighted Average Exercise Price, Outstanding, Ending 32.04 32.04 39.72
Weighted Average Exercise Price, Options exercisable $ 27.48 $ 33.24 $ 35.28