Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Narrative) (Details)

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Commitments and Contingencies (Narrative) (Details)
12 Months Ended
Apr. 09, 2018
ft²
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Dec. 31, 2017
USD ($)
shares
Jun. 30, 2020
USD ($)
Dec. 31, 2018
USD ($)
Feb. 27, 2018
ft²
Operating Leased Assets [Line Items]              
Proceeds from sale of common stock   $ 257,472,000 $ 23,829,000        
Contingent liability           $ 1,358,000  
December 2017 Private Placement [Member]              
Operating Leased Assets [Line Items]              
Proceeds from sale of common stock       $ 37,000,000      
Stock issued during period | shares       1,646,113      
Warrants to purchase common stock | shares       1,646,113      
OKC Lease [Member]              
Operating Leased Assets [Line Items]              
Lease deposit         $ 700,000    
Office Space - Fort Lauderdale, Florida [Member]              
Operating Leased Assets [Line Items]              
Area of lease | ft² 1,700            
Lease expire date Aug. 09, 2021            
Lease term 39 months            
Kairos Global Technology, Inc [Member]              
Operating Leased Assets [Line Items]              
Area of lease | ft²             107,600
Monthly base rent owed for January 2019   230,000          
Monthly base rent owed for all remaining periods thereafter for the duration of the lease, including any renewals   $ 190,000          
Rent expense     $ 5,600,000