Debt - Schedule of Debt (With Unrelated Parties) (Parenthetical) (Details) - USD ($)			1 Months Ended							3 Months Ended
	Feb. 11, 2019	Jan. 23, 2019	Sep. 30, 2020	Oct. 31, 2019	Feb. 28, 2019	Nov. 30, 2018	Aug. 31, 2018	Aug. 31, 2017	Dec. 31, 2014	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2022	Dec. 31, 2020	Oct. 20, 2020	Oct. 19, 2020	Sep. 30, 2019
Debt Instrument [Line Items]
Unpaid principal balance										$ 20,167,000			$ 12,727,000
Warrants, exercise price													$ 0.01	$ 0.01	$ 2.50
Warrants issued														5,072,000	7,925,000
Debt instrument, conversion feature description										The Secured Convertible Notes are convertible into shares (the “Note Shares”) of the Company’s common stock at a conversion rate of $2.50 per share of common stock at the Holder’s option: 1) at any time after the first anniversary of the date of issuance or 2) at any time within 90 days after a “triggering event,” including a sale, reorganization, merger, or similar transaction where the Company is not the surviving entity. The Secured Convertible Notes are also subject to mandatory conversion at any time after the first anniversary of the date of issuance if the average volume of shares of common stock traded on the Nasdaq Capital Market, NYSE American Market or a higher tier of either exchange is 100,000 or more for the 10 trading days prior to the applicable date. Such a mandatory conversion has not occurred.
Gain (loss) on extinguishment of debt										$ 534,000	$ (10,086,000)
Fair value of the warrants													$ 800,000
Advance From Supplier Acquired From Thunder Ridge [Member]
Debt Instrument [Line Items]
Principal amount								$ 1,000,000.0
Interest rate								8.50%
Maturity date, month and year								2022-07
Note payable, description										Thunder Ridge signed an agreement with a supplier on August 31, 2017, in which $1.0 million was advanced to Thunder Ridge during 2017. The advance bears interest at 8.5%, is collateralized by substantially all of Thunder Ridge’s assets, is guaranteed by a member of management, and has a July 2022 maturity date.
Note Payable Issued During November Two Thousand And Eighteen [Member]
Debt Instrument [Line Items]
Principal amount						$ 300,000
Interest rate						3.00%
Maturity date, month and year						2022-10
Note payable, description										The note calls for quarterly principal payments on January, April, July, and October 1st of $18,750 plus the related accrued interest.
Notes payable, quarterly principal payment						$ 18,750
Bridge Loan [Member]
Debt Instrument [Line Items]
Secured convertible debt												$ 250,000
Common Stock [Member]
Debt Instrument [Line Items]
Warrants issued																4,375,000
Note Purchase Agreements and Releases [Member]
Debt Instrument [Line Items]
Principal amount										$ 3,600,000
Warrants, exercise price										$ 0.01
Notes payable in cash										$ 500,000
Main Street Loan [Member]
Debt Instrument [Line Items]
Principal amount										$ 17,100,000
Interest rate										3.00%
Quarterly interest payments date										Dec. 14, 2022
Maturity date										Dec. 14, 2025
Payment terms, description										Beginning December 14, 2022, the Borrowers must make quarterly interest payments, and the Borrowers must make payments equal to 15% of the outstanding principal balance plus capitalized interest on each of December 14, 2023 and December 14, 2024. The entire outstanding principal balance, together with all accrued and unpaid interest, is due and payable in full on December 14, 2025.
Unpaid interest as percentage on outstanding principal balance										15.00%
Unpaid principal balance										$ 17,100,000
Capitalized interest										100,000
Unamortized debt discount										300,000			300,000
Unamortized debt issuance costs										$ 1,100,000			$ 1,100,000
Debt instrument, frequency of periodic payment										quarterly
PPP Loan [Member]
Debt Instrument [Line Items]
Principal amount										$ 10,000,000.0
Interest rate										1.00%
Maturity date										Apr. 15, 2022
Period for loan amount and accrued interest eligible for forgiveness										56 days
Note Payable [Member]
Debt Instrument [Line Items]
Principal amount									$ 1,300,000
Maturity date, month and year									2024-03
Note payable, description										The $1.3 million note payable was issued December 31, 2014, with interest adjusted to the SBA LIBOR base rate, plus 2.35%. The note matures March 2024, is secured by substantially all of Titan’s business assets and is personally guaranteed by certain former members of Titan including a member of our board of directors and certain of his relatives, and beneficial owners of more than 5% of our undiluted shares of common stock. The note is a co-borrower arrangement between Titan and El Toro with the proceeds received by El Toro.
Note Payable [Member] | Minimum [Member]
Debt Instrument [Line Items]
Percentage of common stock of guaranteed beneficial owners									5.00%
Note Payable [Member] | London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Basis points added to LIBOR rate									2.35%
Secured Convertible Promissory Notes [Member]
Debt Instrument [Line Items]
Interest rate							9.00%
Warrants, exercise price										$ 2.50
Class of warrant or rights, exercisable term										10 years
Secured convertible promissory notes							$ 4,000,000.0			$ 4,000,000.0
Paid debt issuance costs							$ 500,000
Debt instrument term							2 years
Conversion rate										$ 2.50
Liquidated damages										1.00%
Liquidated damages incurred										$ 100,000	100,000
Payments for liquidated damages										$ 0	$ 100,000
Warrant exercise period										10 years
Fair value of warrants										$ 700,000
Debt instrument, description										As additional consideration for the Secured Convertible Notes, the Company issued warrants to the Holders to purchase 1,602,000 shares of common stock at an exercise price of $2.50 per share, exercisable for ten years from the date of issuance. The fair value of the warrants issued determined using the Black Scholes pricing model was $0.7 million, calculated with a ten-year term; 65% volatility; 2.89%, 2.85% or 3.00% discount rates and the assumption of no dividends.
Secured Convertible Promissory Notes [Member] | Volatility [Member]
Debt Instrument [Line Items]
Warrants outstanding, measurement input										65
Secured Convertible Promissory Notes [Member] | Discount Rate [Member]
Debt Instrument [Line Items]
Warrants outstanding, measurement input										2.89
Secured Convertible Promissory Notes [Member] | Measurement Input Expected Dividend Payment [Member]
Debt Instrument [Line Items]
Warrants outstanding, measurement input										0
Secured Convertible Promissory Notes [Member] | Common Stock [Member]
Debt Instrument [Line Items]
Warrants issued										1,602,000
Secured Convertible Promissory Notes [Member] | Minimum [Member] | Discount Rate [Member]
Debt Instrument [Line Items]
Warrants outstanding, measurement input										2.85
Secured Convertible Promissory Notes [Member] | Maximum [Member] | Discount Rate [Member]
Debt Instrument [Line Items]
Warrants outstanding, measurement input										3.00
Secured Convertible Promissory Notes [Member] | Note Purchase Agreements and Releases [Member]
Debt Instrument [Line Items]
Principal amount										$ 300,000
Warrants, exercise price										$ 0.01
Fair value of warrants										$ 100,000
Principle and interest payments										100,000
Gain (loss) on extinguishment of debt										200,000
Notes payable in cash										$ 100,000
Secured Convertible Promissory Notes [Member] | Note Purchase Agreements and Releases [Member] | Maximum [Member]
Debt Instrument [Line Items]
Class of warrant to purchase number of common stock										106,343
Notes Payable To Bank Acquired From Sheehy [Member]
Debt Instrument [Line Items]
Maturity start date month and year										2020-09
Maturity end date month and year										2021-12
Proceeds from sale of certain assets			$ 700,000
Gain or loss on sale of assets										$ 0
Notes Payable To Bank Acquired From Sheehy [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate										4.35%
Notes Payable To Bank Acquired From Sheehy [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate										4.375%
Notes Payable, Other Payables [Member]
Debt Instrument [Line Items]
Principal amount	$ 800,000	$ 3,800,000
Interest rate	10.20%	10.10%
Maturity date	Feb. 11, 2023	Feb. 23, 2024
Maturity date, month and year				2024-10	2023-03
Interest rate				8.94%	4.50%
Notes Payable, Other Payables [Member] | JB Lease [Member]
Debt Instrument [Line Items]
Maturity start date month and year										2019-09
Maturity end date month and year										2024-08
Notes Payable, Other Payables [Member] | Minimum [Member] | JB Lease [Member]
Debt Instrument [Line Items]
Interest rate										3.90%
Notes Payable, Other Payables [Member] | Maximum [Member] | JB Lease [Member]
Debt Instrument [Line Items]
Interest rate										5.10%
Frinkle Equipment Notes [Member] | Minimum [Member]
Debt Instrument [Line Items]
Interest rate										5.20%
Maturity date, month and year										2020-05
Frinkle Equipment Notes [Member] | Maximum [Member]
Debt Instrument [Line Items]
Interest rate										11.80%
Maturity date, month and year										2025-09