XML 58 R45.htm IDEA: XBRL DOCUMENT v3.7.0.1
Accretion of Debt Issuance Cost and Debt Discount in Connection with Facility Financing Agreement (Detail) - Deerfield - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Debt Instrument [Line Items]        
Accretion expense-debt issuance cost $ 24 $ 9 $ 32 $ 17
Accretion expense-debt discount $ 686 $ 433 $ 1,133 $ 852