Debt - Additional Information (Detail)	1 Months Ended	3 Months Ended
	Sep. 30, 2018	Mar. 31, 2022 USD ($) Bond	Mar. 31, 2021	Dec. 31, 2021 USD ($)	Jun. 30, 2021 USD ($)
Line Of Credit Facility [Line Items]
Swing loans		$ 7,487,000		$ 8,744,000
Lessee lease term	20 years
Lessee, operating lease, option to extend		UES may extend the lease for four successive periods of five years each. If fully extended, the lease would expire in September 2058.
Lessee, operating term period	5 years
Extended lease expiration date	2058-09
Lease repurchase percentage on lessor investment for properties	115.00%
Effective interest rate		8.00%	8.00%
Number of industrial revenue bonds | Bond		2
Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Long term debt		$ 9,191,000		9,191,000
Maximum [Member]
Line Of Credit Facility [Line Items]
Incremental percentage on annual lease payment	2.00%
Change in consumer price index percentage	1.25%
Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity		130,000,000
Allowance for new capital equipment financing		$ 20,000,000
Maturity date		Jun. 29, 2026
Commitment fee payable percentage		0.25%
Interest on outstanding balance		3.00%	4.00%
Long term debt		$ 45,487,000		29,744,000
Line of credit, remaining borrowing capacity		$ 33,000,000
Deferred financing fees					$ 485,000
Revolving Credit Facility [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Fixed charge coverage ratio		1.05
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]
Line Of Credit Facility [Line Items]
Debt instrument description of interest rate		LIBOR plus an applicable margin ranging between 2.00% to 2.50% based on the quarterly average excess availability
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread		2.00%
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread		2.50%
Revolving Credit Facility [Member] | Base Rate [Member]
Line Of Credit Facility [Line Items]
Debt instrument description of interest rate		the alternate base rate plus an applicable margin ranging between 1.00% to 1.50%
Revolving Credit Facility [Member] | Base Rate [Member] | Minimum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread		1.00%
Revolving Credit Facility [Member] | Base Rate [Member] | Maximum [Member]
Line Of Credit Facility [Line Items]
Debt instrument basis spread		1.50%
Revolving Credit Facility [Member] | Senior Secured Asset-Based Revolving Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity		$ 100,000,000
Revolving Credit Facility [Member] | Letter of Credit [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity		40,000,000
Revolving Credit Facility [Member] | European Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity		30,000,000
Borrowings		0		$ 0
Revolving Credit Facility [Member] | Swedish Credit Facility [Member]
Line Of Credit Facility [Line Items]
Agreement borrowing capacity		7,500,000
Revolving Credit Facility [Member] | Credit Facility [Member]
Line Of Credit Facility [Line Items]
Long term debt		45,487,000
Taxable Industrial Revenue Bond [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Tax-exempt IRB maturing in 2027/2029		$ 7,116,000
Taxable Industrial Revenue Bond [Member] | Maximum [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Interest at a floating rate on tax-exempt IRB maturing in 2027/2029		1.00%	1.00%
Tax Exempt Industrial Revenue Bond Two [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Tax-exempt IRB maturing in 2027/2029		$ 2,075,000
Tax Exempt Industrial Revenue Bond Two [Member] | Maximum [Member] | Industrial Revenue Bonds ("IRB") [Member]
Line Of Credit Facility [Line Items]
Interest at a floating rate on tax-exempt IRB maturing in 2027/2029		1.00%	1.00%