Annual report pursuant to Section 13 and 15(d)

Series A Convertible Preferred Stock (Details)

v3.20.1
Series A Convertible Preferred Stock (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Class of Stock [Line Items]    
Aggregate cash proceeds amount   $ 9,565
Preferred stock stated value of per share (in dollars per share) $ 0.0001  
Restricted cash $ 5,500  
Operating account $ 740  
Preferred stock authorized (in shares) 100,000,000  
Preferred shares outstanding (in shares) 0 6,000
Series A 8% 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 stated value of per share (in dollars per share) $ 1,000  
Deposited amount $ 5,500  
Proceeds into restricted escrow account $ 6,000  
Conversion price (in dollars per share) $ 11.50  
Series A 8% convertible preferred stock | 30 Day Anniversary    
Class of Stock [Line Items]    
Percentage of shares mandatorily redeemable 104.00%  
Shares mandatorily redeemable (in shares) 3,000  
Series A 8% convertible preferred stock | 60 Day Anniversary    
Class of Stock [Line Items]    
Percentage of shares mandatorily redeemable 104.00%  
Shares mandatorily redeemable (in shares) 2,500  
Series A 8% convertible preferred stock | 90 Day Anniversary    
Class of Stock [Line Items]    
Percentage of shares mandatorily redeemable 104.00%  
Shares mandatorily redeemable (in shares) 500  
Series A Preferred Stock    
Class of Stock [Line Items]    
Aggregate cash proceeds amount $ 6,000  
Series A convertible preferred stock redeemed for cash (in shares) 6,000,000  
Total proceeds issue price $ 6,240  
Dividends $ 240  
Redeemable Preferred Stock    
Class of Stock [Line Items]    
Dividend rate of preferred stock (as a percent) 8.00%