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Summary of Significant Accounting Policies (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Mar. 31, 2020	Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity
Decrease in Brent crude oil prices (percent)		66.00%
Crude oil price		$ 23	$ 41	$ 66
Plan to decrease costs due to Covid 19			18,000,000.0
Decreases in expenses			$ 20,000,000.0
Executive salary reduction			20.00%
Decrease in board of director fees			20.00%
Proceeds from government assistance programs			$ 7,000,000.0
Accrued rent			4,000,000.0
Forecast \| INOVA Geophysical
Variable Interest Entity
Sale of INOVA Geophysical	$ 12,000,000.0
Minimum
Variable Interest Entity
Forecasted capital expenditure			25,000,000.0	35,000,000.0
Maximum
Variable Interest Entity
Forecasted capital expenditure			$ 35,000,000.0	$ 50,000,000.0