Quarterly report pursuant to Section 13 or 15(d)

Series A Convertible Preferred Stock (Details)

v3.19.2
Series A Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Dec. 31, 2018
Class of Stock [Line Items]        
Aggregate cash proceeds amount $ 4,770   $ 9,574  
Preferred stock, par or stated value per share   $ 0.0001    
Restricted cash   $ 5,500    
Operating account   $ 740    
Preferred stock to be issued (in shares)   100,000,000    
Preferred stock, shares outstanding (in shares)   0   6,000
Convertible Preferred Stock        
Class of Stock [Line Items]        
Issued shares of preferred stock (in shares)   6,000    
Aggregate cash proceeds amount   $ 6,000    
Preferred stock, par or stated value per share   $ 1,000    
Security deposit   $ 5,500    
Proceeds into restricted escrow account   $ 6,000    
Conversion price (in dollars per share)   $ 11.50    
Series A Preferred Stock        
Class of Stock [Line Items]        
Aggregate cash proceeds amount   $ 6,000    
Shares redeemed (in shares)   6,000    
Total proceeds issue price   $ 6,240    
Dividends   $ 240    
30 Day Anniversary | Convertible Preferred Stock        
Class of Stock [Line Items]        
Percentage of shares mandatorily redeemable   104.00%    
Shares mandatorily redeemable (in shares)   3,000    
60 Day Anniversary | Convertible Preferred Stock        
Class of Stock [Line Items]        
Percentage of shares mandatorily redeemable   104.00%    
Shares mandatorily redeemable (in shares)   2,500    
90 Day Anniversary | Convertible Preferred Stock        
Class of Stock [Line Items]        
Percentage of shares mandatorily redeemable   104.00%    
Shares mandatorily redeemable (in shares)   500