Revolving Credit Facility and Long-Term Debt - Additional Information (Detail) - USD ($)	3 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021
Line of Credit Facility [Line Items]
Line of credit facility commitment fee description	The Agreement also provides for an unused commitment fee of 0.30% per year on the average daily unused amount of the revolving credit line, as well as a fee of 1.75% of the face amount of each letter of credit reserved under the line of credit
Outstanding balance on term loan and revolving credit facility	$ 0
Minimum [Member]
Line of Credit Facility [Line Items]
Tangible net worth amount	$ 100,000,000	$ 100,000,000	$ 100,000,000	$ 100,000,000
Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Unused commitment fee on unused amount during period	0.30%
Revolving Credit Facility [Member] | SOFR [Member]
Line of Credit Facility [Line Items]
Term loan from bank interest rate description	the daily Simple Secured Overnight Financing Rate (“SOFR”) plus 1.75% or (b) one-month Term SOFR plus 1.75%.
SOFR plus rate	1.75%
Revolving Credit Facility [Member] | One-Month Term SOFR [Member]
Line of Credit Facility [Line Items]
Term loan from bank interest rate description	one-month Term SOFR plus 1.75
SOFR plus rate	1.75%
Line of Credit [Member]
Line of Credit Facility [Line Items]
Unused commitment fee on unused amount	1.75%
Agreement [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing used	$ 6,200,000
Dividends or distributions paid	0
Maximum amount to redeem retire repurchase or acquire stock upon agreement	15,000,000
Agreement [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
EBITDA	10,000,000	10,000,000	$ 10,000,000	$ 10,000,000
Agreement [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Prohibition on incurring additional indebtedness without the prior approval of the Bank in purchase money financing	1,000,000
Agreement [Member] | Revolving Credit Facility [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing capacity	50,000,000.0
Agreement [Member] | Standby Letters of Credit [Member]
Line of Credit Facility [Line Items]
Credit facility borrowing capacity	$ 8,000,000.0
Agreement [Member] | Term Loan [Member]
Line of Credit Facility [Line Items]
Term loan with principal bank		$ 3,500,000