XML 34 R22.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories (Tables)
 6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Schedule of Inventories

Inventories consist of the following:   (in thousands)  
    June 30,2017     December 31,2016  
             
Inventory work-in-process, January 1   $ —     $ 1,326  
Production     —       —  
Transfer to other assets     —       (1,326 )
Spoilage     —       —  
Inventory work-in-process, end of period   $ —     $ —