Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Narrative) (Details)

v3.21.2
Commitments and Contingencies (Narrative) (Details) - USD ($)
$ / shares in Units, $ in Millions
Jun. 28, 2021
Jun. 30, 2021
Dec. 31, 2020
Commitments and Contingencies [Line Items]      
Private placement investment $ 25.0    
Warrants purchase period 5 years    
Additional common shares available to purchase during warrant period $ 25.0    
Preferred Stock, Value, Issued  
Common stock, shares outstanding   9,470,424 9,321,927
Term of company prohibited from conducting new equity offering 30 days    
Convertible Preferred Stock [Member]      
Commitments and Contingencies [Line Items]      
Per share conversion price of preferred stock. $ 3.40    
Preferred Stock, Value, Issued $ 25.0    
CSI And CrowdOut [Member]      
Commitments and Contingencies [Line Items]      
Repurchase of convertible preferred stock 9.0    
CSI And CrowdOut [Member] | Non-Binding Letter Of Intent, Term Loan [Member]      
Commitments and Contingencies [Line Items]      
Debt instrument, face amount $ 20.0    
PIPE Investors [Member]      
Commitments and Contingencies [Line Items]      
Percentage right to purchase equity securities in future 25.00%    
Right to purchase equity securities in future, term 1 year    
Lock-up agreement term 30 days    
PIPE Investors [Member] | Assuming Conversion Of Series A Convertible Preferred Stock [Member]      
Commitments and Contingencies [Line Items]      
Common stock, shares outstanding 7,350,000    
Percent of outstanding common stock 22.00%    
PIPE Investors [Member] | Assuming Exercise Of All Warrants For Cash [Member]      
Commitments and Contingencies [Line Items]      
Common stock, shares outstanding 14,700,000    
Percent of outstanding common stock 37.00%