Quarterly report pursuant to Section 13 or 15(d)

Capital Structure - Common Stock (Details)

v3.19.2
Capital Structure - Common Stock (Details)
3 Months Ended 6 Months Ended
Mar. 08, 2019
USD ($)
$ / shares
shares
Dec. 27, 2018
USD ($)
$ / shares
shares
Sep. 25, 2018
shares
Sep. 24, 2018
$ / shares
shares
Aug. 17, 2018
USD ($)
$ / shares
shares
Nov. 17, 2017
USD ($)
shares
Dec. 31, 2018
USD ($)
$ / shares
shares
Jun. 30, 2018
shares
Jun. 30, 2019
USD ($)
Vote
class_of_stock
$ / shares
shares
Jun. 30, 2018
USD ($)
shares
Dec. 26, 2018
shares
Apr. 27, 2017
$ / shares
Dec. 31, 2014
shares
Common Stock                          
Number of classes of stock authorized to issue | class_of_stock                 2        
Number of shares of capital stock authorized to issue (in shares)                 205,000,000        
Common stock, shares authorized (in shares)             200,000,000   200,000,000        
Preferred stock, shares authorized (in shares)             5,000,000   5,000,000        
Common stock, par value (in dollars per share) | $ / shares       $ 0.001 $ 0.001   $ 0.001   $ 0.001        
Number of shares available under warrant (in shares)   4,000,000                      
Exercise price per share (in dollars per share) | $ / shares   $ 12.50                      
Preferred stock, par value per share (in dollars per share) | $ / shares             $ 0.001   $ 0.001        
Warrants outstanding term   5 years 6 months                      
Number of redemption or sinking fund provisions | class_of_stock                 0        
Sale of stock (in shares) 363,637                        
Purchase price (in dollars per share) | $ / shares $ 5.50                        
Proceeds from issuance of common stock | $                 $ 8,975,960 $ 0      
Common stock                          
Common Stock                          
Number of shares available under warrant (in shares)                         22,328
Issuance of stock (in shares)               2,349,968 1,818,182 2,349,968      
Series B Preferred Stock | Preferred Stock                          
Common Stock                          
Preferred stock conversion ratio   5         5   5        
Number of shares available under warrant (in shares)                         625,208
Common Stock                          
Common Stock                          
Number of redemption or sinking fund provisions | class_of_stock                 0        
Number of votes per share | Vote                 1        
Number of preemptive, conversion or subscription rights | class_of_stock                 0        
Private Placement                          
Common Stock                          
Number of shares available under warrant (in shares)             14,285,714            
Exercise price per share (in dollars per share) | $ / shares             $ 0.40            
Proceeds from warrant exercises | $             $ 5,700,000            
Purchase price (in dollars per share) | $ / shares         $ 3.91                
Proceeds from issuance or sale of equity | $         $ 3,900,000                
Private Placement | Common stock                          
Common Stock                          
Issuance of stock (in shares)         1,000,000                
Private Placement | Series A Preferred Stock | Preferred Stock                          
Common Stock                          
Preferred stock, shares authorized (in shares)                     2,857,143    
Private Placement | Series B Preferred Stock | Preferred Stock                          
Common Stock                          
Preferred stock, shares authorized (in shares)   2,857,143         2,857,143            
Preferred stock, par value per share (in dollars per share) | $ / shares   $ 2.00                   $ 2.00  
Bought Deal                          
Common Stock                          
Sale of stock (in shares) 1,818,182                        
Net proceeds | $ $ 9,000,000                        
Proceeds from issuance of common stock | $ $ 10,000,000                        
TRx                          
Common Stock                          
Unregistered shares of common stock issued or issuable as part of acquisition | $           $ 8,100,000              
Shares issued upon closing (in shares)           5,184,920              
Contingent shares issuable as part of acquisition (in shares)           2,349,968              
Ichorion                          
Common Stock                          
Consideration issued (in shares)     5,800,000 5,800,000                  
Incentive Warrants                          
Common Stock                          
Number of shares available under warrant (in shares)   4,000,000                      
Exercise price per share (in dollars per share) | $ / shares   $ 12.50                      
Warrants outstanding term   5 years 6 months                      
Fair value of incentive warrants | $   $ 1,700,000