Quarterly report pursuant to Section 13 or 15(d)

Commitments and contingencies (Details Narrative)

Commitments and contingencies (Details Narrative) - USD ($)
6 Months Ended
Feb. 03, 2020
Jun. 30, 2020
Jun. 30, 2019
Operating lease expense   $ 48,192 $ 48,192
Lease agreement, description   The Company’s subsidiary, Petrodome Energy, LLC entered into a 66-month lease for 4,147 square feet of office space for the Company’s corporate office in Houston, Texas. The annual base rent commenced at $22.00 per square foot, and escalates at $0.50 per foot each year through expiration of the lease term.  
Merger agreement [Member] | Camber Energy, Inc. [Member]      
Percentage of voting interest in post-closing entity 80.00%    
Description of condition for completion of agreement (i) the effectiveness of a registration statement registering the shares of Camber common stock to be issued to Viking’s shareholders in the merger and (ii) shareholder approval of the merger transactions by Camber’s shareholders and Viking’s shareholders. Additional closing conditions include (i) that in the event the NYSE American determines that the merger constitutes, or will constitute, a “back-door listing”/”reverse merger”, Camber (and its common stock) is required to qualify for initial listing on the NYSE American, and (ii) that the only loan obligations with a maturity date in 2020 that Viking shall have at closing shall be the 2018 Convertible Notes.