Summary of Significant Accounting Policies (Details) - USD ($) $ in Millions	1 Months Ended	3 Months Ended	6 Months Ended
	Apr. 30, 2020	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Plan to decrease costs due to Covid 19		$ 18.0
Decreases in expenses		20.0
Severance expense		$ 3.1
Executive salary reduction		20.00%
Decrease in board of director fees		20.00%
Minimum
Variable Interest Entity [Line Items]
Forecasted capital expenditure		$ 20.0		$ 35.0
Maximum
Variable Interest Entity [Line Items]
Forecasted capital expenditure		$ 35.0		$ 50.0
Subsequent Event
Variable Interest Entity [Line Items]
Proceeds from Government Assistance Programs	$ 6.9
Subsequent Event | Minimum
Variable Interest Entity [Line Items]
Additional relief available	2.0
Subsequent Event | Maximum
Variable Interest Entity [Line Items]
Additional relief available	$ 7.0
Forecast
Variable Interest Entity [Line Items]
Sale of INOVA Geophysical			$ 12.0