Debt - Schedule of Debt (With Related Parties) (Parenthetical) (Details) - USD ($)								1 Months Ended		3 Months Ended		6 Months Ended
	Sep. 16, 2019	Sep. 16, 2019	Aug. 30, 2019	Aug. 30, 2019	Feb. 02, 2019	Jun. 01, 2018	Feb. 01, 2017	Oct. 31, 2020	Feb. 28, 2019	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jan. 01, 2022	Mar. 31, 2021	Mar. 12, 2021	Jan. 01, 2021	Dec. 31, 2020	Oct. 20, 2020	Oct. 19, 2020	Sep. 30, 2019	Aug. 31, 2018	Jul. 20, 2018	Dec. 31, 2014
Debt Instrument [Line Items]
Current portion of long-term debt										$ 24,170,000		$ 24,170,000						$ 50,252,000
Gain (loss) on extinguishment of debt										256,000	$ 30,000	790,000	$ (10,056,000)
Warrants, exercise price																		$ 0.01	$ 0.01	$ 2.50
Fair Value Adjustment of Warrants										$ 1,345,000	975,000	$ (1,762,000)	(7,260,000)
Warrants issued																			5,072,000	7,925,000
Fair value of the warrants																		$ 800,000
Omnibus Amendment [Member]
Debt Instrument [Line Items]
Common stock								5,072,000
Class of warrant to purchase number of common stock								7,925,000		1,500,000		1,500,000					500,000
Warrants, exercise price								$ 0.01		$ 2.50		$ 2.50					$ 0.01
Warrants, terms																	10 years
Antara Financing Agreement [Member]
Debt Instrument [Line Items]
Principal amount due															$ 16,700,000
Unamortized debt discount										$ 1,000,000.0		$ 1,000,000.0						2,000,000.0
Main Street Loan [Member] | Antara Financing Agreement [Member]
Debt Instrument [Line Items]
Principal amount due															$ 33,600,000
Gain (loss) on extinguishment of debt												1,700,000
Debt instrument prepayment penalties												$ 800,000
DTII Note [Member] | Settlement Agreement And Release [Member]
Debt Instrument [Line Items]
Warrants, exercise price																$ 2.50
DTII Note [Member] | Settlement Agreement And Release [Member] | Warrant Exercise Price of 2.50 Per Share [Member]
Debt Instrument [Line Items]
Warrants, exercise price																2.50
DTII Note [Member] | Settlement Agreement And Release [Member] | Warrant Exercise Price of 0.01 Per Share [Member]
Debt Instrument [Line Items]
Warrants, exercise price																$ 0.01
DTII Note [Member] | Settlement Agreement And Release [Member] | Midwest Bank [Member]
Debt Instrument [Line Items]
Notes payable in cash																$ 500,000
Warrants, exercise price																$ 0.01
Common Stock [Member]
Debt Instrument [Line Items]
Warrants issued																					4,375,000
Maximum [Member] | DTII Note [Member] | Settlement Agreement And Release [Member]
Debt Instrument [Line Items]
Warrants to purchase shares of common stock																1,200,000
Maximum [Member] | DTII Note [Member] | Settlement Agreement And Release [Member] | Warrant Exercise Price of 2.50 Per Share [Member]
Debt Instrument [Line Items]
Warrants to purchase shares of common stock																950,000
Maximum [Member] | DTII Note [Member] | Settlement Agreement And Release [Member] | Warrant Exercise Price of 0.01 Per Share [Member]
Debt Instrument [Line Items]
Warrants to purchase shares of common stock																250,000
Maximum [Member] | DTII Note [Member] | Settlement Agreement And Release [Member] | Midwest Bank [Member]
Debt Instrument [Line Items]
Warrants to purchase shares of common stock																1,250,000
Term Loan [Member] | Omnibus Amendment [Member]
Debt Instrument [Line Items]
Interest paid in kind rate												17.00%
Term Loan [Member] | Antara Financing Agreement [Member]
Debt Instrument [Line Items]
Principal amount	$ 24,500,000	$ 24,500,000								$ 17,400,000		$ 17,400,000
Interest rate	12.00%	12.00%								14.50%		14.50%
Current portion of long-term debt										$ 17,400,000		$ 17,400,000						33,600,000
Maturity date	Sep. 16, 2022
Note payable maturity, description												The maturity date is ninety-one days after the fifth anniversary of the closing date of the Main Street Loan (March 15, 2026) or the date that is ninety-one days after the date of payment in full in cash of all obligations in respect of the Main Street Loan, whichever occurs first.
Interest paid in kind rate												14.50%
Unamortized debt discount										9,000,000.0		$ 9,000,000.0
Interest payable in cash rate												12.00%
Four Promissory Notes Issued February 1, 2017 to Former EAF [Member]
Debt Instrument [Line Items]
Principal amount							$ 9,500,000
Interest rate							1.50%
Percentage of conversion of common stock												10.00%
Minimum amount of principal										35,000		$ 35,000
Maturity date												Feb. 01, 2026
Interest rate							5.10%
Note payable maturity, description												The four promissory notes were issued to the former EAF members with interest at 1.5%, issued February 1, 2017, and mature February 1, 2026.
Unamortized debt discount										6,200,000		$ 6,200,000						6,500,000
Four Promissory Notes Issued February 1, 2017 to Former EAF [Member] | Subsequent Event [Member]
Debt Instrument [Line Items]
Warrants, exercise price														$ 0.01
Warrants issued														7,533,750
Four Promissory Notes Issued February 1, 2017 to Former EAF [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Common stock							7,000,000
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Principal amount							$ 3,800,000
Current portion of long-term debt										3,800,000		$ 3,800,000						3,800,000
Maturity date, month and year							2017-12
Note payable maturity, description												an original maturity of the earlier of (a) December 2017; (b) ten days after the initial closing of a private offering of capital stock of the Company in an amount not less than $10 million; or (c) an event of default.
Principle and interest payments												$ 0
Fair Value Adjustment of Warrants												$ 200,000
Debt instrument extended maturity month and year							2019-07
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member] | Main Street Loan [Member] | Financing Agreement [Member]
Debt Instrument [Line Items]
Debt instrument extended maturity month and year												2022-11
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate							7.50%
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member] | Maximum [Member]
Debt Instrument [Line Items]
Default interest rate							12.50%
Senior Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member] | Maximum [Member] | Initial Public Offering [Member]
Debt Instrument [Line Items]
Private offering of capital stock							$ 10,000,000
Promissory Notes | Common Stock [Member] | Financing Agreement [Member] | EAF [Member]
Debt Instrument [Line Items]
Unamortized debt discount										$ 100,000		$ 100,000						200,000
Class of warrant to purchase number of common stock										350,000		350,000
Warrants, exercise price										$ 0.01		$ 0.01
Warrants, terms										5 years		5 years
Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member]
Debt Instrument [Line Items]
Interest rate							7.50%
Current portion of long-term debt										$ 4,000,000.0		$ 4,000,000.0						4,000,000.0
Principle and interest payments							$ 0
Unamortized debt discount										$ 100,000		$ 100,000						200,000
Promissory note							$ 4,000,000.0
Debt instrument extended maturity month and year												2022-11
Class of warrant or rights, exercisable term		5 years
Fair value of the warrants	$ 300,000	$ 300,000
Promissory Note Issued February One Two Thousand And Seventeen To Former EAF [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Warrants, exercise price	$ 0.01	$ 0.01
Warrants issued	350,000	350,000
Secured Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Interest rate																						9.00%
Gain (loss) on extinguishment of debt												$ 2,100,000
Warrants, exercise price										$ 2.50		$ 2.50
Secured convertible promissory notes										$ 4,000,000.0	$ 4,000,000.0	$ 4,000,000.0	$ 4,000,000.0									$ 4,000,000.0		$ 4,000,000.0
Estimated incremental fair value related to warrant issuance and exchange												$ 1,100,000
Secured Convertible Promissory Notes [Member] | DTII Note [Member] | Settlement Agreement And Release [Member]
Debt Instrument [Line Items]
Principal amount																							$ 3,000,000
Secured Convertible Promissory Notes [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Warrants issued										1,602,000		1,602,000
Promissory Note Stockholder Issued June One Two Thousand And Eighteen [Member]
Debt Instrument [Line Items]
Principal amount						$ 2,500,000
Interest rate						6.00%
Current portion of long-term debt																		1,700,000
Maturity date						Nov. 30, 2022
Note payable maturity, description												a maturity date of the earlier of (a) the date the Company raises $40.0 million in public or private offerings of debt or equity; (b) December 31, 2018, or (c) termination of Trey Peck’s employment with the Company by the Company without cause or by Trey Peck for good reason.
Default interest rate						9.00%
Debt instrument extended maturity month and year			2019-08
Proceeds from public or private offering						$ 40,000,000.0
Maturity start date						Dec. 31, 2018
Payment of principal amount to Peck						$ 150,000
Payment of increased monthly principal amount to Peck			$ 20,000
Maturity date												monthly
Promissory Note Stockholder Issued February Two Two Thousand And Nineteen [Member] | Ursa and JB Lease [Member]
Debt Instrument [Line Items]
Interest rate					9.00%
Current portion of long-term debt																		$ 6,100,000
Maturity date					Aug. 31, 2020
Maturity date, month and year				2022-11
Extended maturity date			Aug. 30, 2019	Aug. 30, 2019
Principle and interest payments					$ 6,400,000
Increased principal amount if not repaid on maturity date					$ 6,400,000
Debt instrument, date of first required payment					Jun. 01, 2019
Notes Payable Acquired From Ritter [Member]
Debt Instrument [Line Items]
Interest rate									7.00%
Maturity date, month and year									2028-12