Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Details)

v3.20.2
Related Party Transactions (Details)
shares in Thousands
1 Months Ended
Jan. 31, 2019
$ / shares
shares
Jan. 14, 2019
$ / shares
shares
Jan. 31, 2019
public_offering
$ / shares
Related Party Transaction [Line Items]      
Number of public offerings | public_offering     2
Private Placement | John Pappajohn      
Related Party Transaction [Line Items]      
Issuance of common stock (in shares) | shares 33 33  
Shares issued, price per share (usd per share) | $ / shares $ 6.90 $ 6.75 $ 6.90
Private Placement | John Roberts      
Related Party Transaction [Line Items]      
Issuance of common stock (in shares) | shares 6 3  
Shares issued, price per share (usd per share) | $ / shares $ 6.90 $ 6.75 6.90
Private Placement | Geoffrey Harris      
Related Party Transaction [Line Items]      
Issuance of common stock (in shares) | shares   3  
Shares issued, price per share (usd per share) | $ / shares   $ 6.75  
Private Placement | Edmund Cannon      
Related Party Transaction [Line Items]      
Issuance of common stock (in shares) | shares 1    
Shares issued, price per share (usd per share) | $ / shares $ 6.90   6.90
Private Placement | M. Glenn Miles      
Related Party Transaction [Line Items]      
Issuance of common stock (in shares) | shares 5    
Shares issued, price per share (usd per share) | $ / shares $ 6.90   $ 6.90