Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Concentration of Accounts Receivable (Details)

v3.20.1
Summary of Significant Accounting Policies - Concentration of Accounts Receivable (Details) - Accounts Receivable
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Fox Networks Group    
Product Information [Line Items]    
Concentration risk (as a percent) 0.00% 66.00%
HID Global    
Product Information [Line Items]    
Concentration risk (as a percent) 23.00% 0.00%
American Made Media Consultants, LLC    
Product Information [Line Items]    
Concentration risk (as a percent) 15.00% 0.00%
Presidio Networked Solutions LLC    
Product Information [Line Items]    
Concentration risk (as a percent) 11.00% 0.00%
MD Anderson    
Product Information [Line Items]    
Concentration risk (as a percent) 10.00% 0.00%