Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Narrative) (Details)

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Commitments And Contingencies (Narrative) (Details) - USD ($)
11 Months Ended 12 Months Ended
Jul. 12, 2018
Jun. 29, 2017
Oct. 17, 2016
Sep. 01, 2016
Oct. 14, 2015
May 21, 2015
Oct. 31, 2015
Dec. 31, 2018
Dec. 31, 2017
Other Commitments [Line Items]                  
Litigation settlement liability                
Suit Relates To Issuance Of Convertible Debentures [Member]                  
Other Commitments [Line Items]                  
Defendant name         SPYR, Inc., f/k/a Eat at Joe's., Ltd        
Plaintiff name         Zakeni Limited        
Domicile of litigation         Case filed in the United States District Court for the District of Delaware case        
Sought damages value         $ 1,500,000        
Settlement agreement date July 12, 2018                
Settlement agreement terms Pursuant to the settlement, the Company will issue 3,500,000 common shares valued at $1,050,000, warrants to purchase 1,000,000 common shares at $0.25 per share valued at $276,000, warrants to purchase 1,500,000 common shares at $0.50 per share valued at $398,000, and warrants to purchase 1,000,000 common shares at $0.75 per share valued at $259,000. The total value of the settlement, $1,983,000 was computed using the Black-Scholes Option Pricing Model and was recorded as litigation settlement liability on the accompanying consolidated balance sheet as of December 31, 2017 and recognized on the settlement date as a reduction to the litigation settlement liability. There is no further litigation settlement liability on the accompanying consolidated balance sheets as of December 31, 2018.                
Litigation settlement liability                 $ 1,983,000
Lease Commitment Dated May 21, 2015 [Member]                  
Other Commitments [Line Items]                  
Lease commitment terms           The Company leases approximately 5,169 square feet at 4643 South Ulster Street, Denver, Colorado pursuant to an amended lease dated May 21, 2015      
Lease expiration date           Dec. 31, 2020      
Lease Commitment Dated May 21, 2015 [Member] | Minimum [Member]                  
Other Commitments [Line Items]                  
Annual base rent           $ 143,000      
Lease Commitment Dated May 21, 2015 [Member] | Maximum [Member]                  
Other Commitments [Line Items]                  
Annual base rent           $ 152,000      
Lease Commitment Dated September 01, 2016 [Member]                  
Other Commitments [Line Items]                  
Lease commitment terms       Beginning September 1, 2016, we began leasing office space in Berlin, Germany on a month to month basis at a cost of EUR 250 ($271) plus 19% tax per person up to a maximum of 10 people.          
Monthly base rent       $ 271          
Lease Commitment Dated June 29, 2017 [Member]                  
Other Commitments [Line Items]                  
Lease commitment terms   On June 29, 2017, we signed a new lease for the Berlin office space for EUR 3,570 ($4,190) per month beginning July 2017 through March 31, 2018.              
Monthly base rent   $ 4,190              
Lease Commitment Dated October 17, 2016 [Member]                  
Other Commitments [Line Items]                  
Lease commitment terms     Beginning October 17, 2016, we began leasing shared office for one employee in Redmond, Washington on a month to month basis at a cost of $225 per month per desk, increasing to $275 per month starting in December 2016 and $325 per month July 2018 through February 2019.            
Monthly base rent     $ 225            
Lease Commitment [Member]                  
Other Commitments [Line Items]                  
Additional rent expenses charged by landlord in connection with rent per month               $ 200  
Commitment For Employment Agreement [Member] | Three Officers [Member]                  
Other Commitments [Line Items]                  
Agreement description             Pursuant to employment agreements entered in December 2014 and October 2015, the Company agreed to compensate three officers with a base salary in the aggregate of $450,000 per year through 2020. In addition, as part of the employment agreements, the Company also agreed to grant these officers an aggregate of 1.55 million shares of common stock at the beginning of each employment year.