Quarterly report pursuant to Section 13 or 15(d)

Organization, Nature of Operations and Basis of Presentation (Details)

v3.19.3
Organization, Nature of Operations and Basis of Presentation (Details) - USD ($)
$ / shares in Units, $ in Thousands, shares in Millions
1 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2019
Aug. 10, 2018
Oct. 31, 2018
Sep. 30, 2019
Dec. 31, 2018
Nov. 30, 2019
Sep. 30, 2018
Dec. 31, 2017
Organization, Nature of Operations and Basis of Presentation                
Cash and cash equivalents       $ 18,650 $ 28,918   $ 9,549 $ 17,116
Net proceeds from sale of securities     $ 16,700          
Net proceeds from sale of common stock         $ 12,200      
Common stock, par value (in dollars per share)       $ 0.001 $ 0.001      
Cash           $ 17,600    
Reverse stock spilt   128.5   3.7        
Lessee, Operating Lease, Term of Contract       12 months        
Lease, Practical Expedients, Package [true false] true              
Right of Use Asset $ 537     $ 451 $ 0      
Operating Lease Liability $ 939     $ 241 $ 0