Annual report pursuant to Section 13 and 15(d)

License Agreement (Details Textual)

v3.8.0.1
License Agreement (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 11 Months Ended 12 Months Ended
Jun. 17, 2015
Dec. 31, 2015
Dec. 31, 2017
Dec. 31, 2016
Payments to Acquire in Process Research and Development   $ 3,000 $ 0 $ 0
IV Tramadol [Member] | Fortress Biotech, Inc [Member]        
Payments to Acquire in Process Research and Development $ 3,000      
Contractual Obligation, Maximum Future Payments 4,000      
IV Tramadol [Member] | Fortress Biotech, Inc [Member] | Upfront Payment [Member]        
Payments to Acquire in Process Research and Development 2,000      
IV Tramadol [Member] | Fortress Biotech, Inc [Member] | Additional Payment [Member]        
Payments to Acquire in Process Research and Development $ 1,000