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Debt - Narrative (Details) - USD ($)			12 Months Ended
	Dec. 13, 2019	Dec. 08, 2016	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Feb. 22, 2019	Jul. 13, 2018	Jul. 12, 2018	Apr. 08, 2018
Minimum
Debt Instrument [Line Items]
Interest rate on notes			6.48%
Maximum
Debt Instrument [Line Items]
Interest rate on notes			7.49%
Nexseer Capital [Member] | us-gaap_OakdaleEquipmentFinancingMember
Debt Instrument [Line Items]
Interest rate on notes			5.79%
Proceeds from Secured Notes Payable	$ 23,000
us-gaap_FormerRevolvingCreditFacilityMember [Domain] | Jeffries Finance L L C
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 45,000,000				$ 50,000,000			$ 60,000,000
Credit facility agreement, term		3 years
Limit on ability to sell, transfer or dispose of assets, aggregate amount							$ 55,000,000	$ 25,000,000
Limit on capital lease obligations, aggregate principal amount							$ 30,000,000	$ 15,000,000
ABLRevolvingCreditFacilityMember [Domain] | Jeffries Finance L L C
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 20,000
Credit facility agreement, term	5 years
Amount available for draw			$ 17,500,000
Debt, Weighted Average Interest Rate			5.75%
Assets Held under Capital Leases
Debt Instrument [Line Items]
Assets under equipment leases, gross				$ 657,000
Assets under equipment leases, depreciation expense				$ 155,000	$ 255,000
LIBOR | ABLRevolvingCreditFacilityMember [Domain] | Jeffries Finance L L C
Debt Instrument [Line Items]
Basis spread on variable rate			2.00%
ABR | ABLRevolvingCreditFacilityMember [Domain] | Jeffries Finance L L C
Debt Instrument [Line Items]
Basis spread on variable rate			1.00%

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Amount before accumulated depreciation of leased physical assets used in the normal conduct of business to produce goods and services.

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Contractual interest rate for funds borrowed, under the debt agreement.

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